diff --git a/examples/kitchen-sink.yaml b/examples/kitchen-sink.yaml
index 693df7ce..ed65b3b3 100644
--- a/examples/kitchen-sink.yaml
+++ b/examples/kitchen-sink.yaml
@@ -804,8 +804,14 @@ tracer_provider:
       # Configure local_parent_sampled sampler.
       # If omitted or null, always_on is used.
       local_parent_sampled:
-        # Configure sampler to be always_on.
-        always_on:
+        # Configure sampler to be composite.
+        # This property is experimental and subject to breaking changes in minor versions.
+        composite/development:
+          # Configure sampler to be probability.
+          probability:
+            # Configure ratio.
+            # If omitted or null, 1.0 is used.
+            ratio: 0.001
       # Configure local_parent_not_sampled sampler.
       # If omitted or null, always_off is used.
       local_parent_not_sampled:
diff --git a/schema-docs.md b/schema-docs.md
index e058af0a..223025b3 100644
--- a/schema-docs.md
+++ b/schema-docs.md
@@ -875,6 +875,242 @@ Usages:
 }</pre>
 </details>
 
+## ExperimentalComposableAlwaysOffSampler <a id="experimentalcomposablealwaysoffsampler"></a>
+
+> [!WARNING]
+> This type is [experimental](README.md#experimental-features).
+
+No properties.
+
+Constraints: 
+
+* `additionalProperties`: `false`
+
+Usages:
+
+* [`ExperimentalComposableSampler.always_off`](#experimentalcomposablesampler)
+
+<details>
+<summary>JSON Schema</summary>
+
+[JSON Schema Source File](./schema/tracer_provider.json)
+<pre>{
+  "type": [
+    "object",
+    "null"
+  ],
+  "additionalProperties": false
+}</pre>
+</details>
+
+## ExperimentalComposableAlwaysOnSampler <a id="experimentalcomposablealwaysonsampler"></a>
+
+> [!WARNING]
+> This type is [experimental](README.md#experimental-features).
+
+No properties.
+
+Constraints: 
+
+* `additionalProperties`: `false`
+
+Usages:
+
+* [`ExperimentalComposableSampler.always_on`](#experimentalcomposablesampler)
+
+<details>
+<summary>JSON Schema</summary>
+
+[JSON Schema Source File](./schema/tracer_provider.json)
+<pre>{
+  "type": [
+    "object",
+    "null"
+  ],
+  "additionalProperties": false
+}</pre>
+</details>
+
+## ExperimentalComposableParentBasedSampler <a id="experimentalcomposableparentbasedsampler"></a>
+
+> [!WARNING]
+> This type is [experimental](README.md#experimental-features).
+
+| Property | Type | Required? | Constraints | Description |
+|---|---|---|---|---|
+| `root` | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configures the sampler for spans with no parent. |
+| `remote_parent_sampled` | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configures the sampler for spans with a remote parent that is sampled. |
+| `remote_parent_not_sampled` | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configures the sampler for spans with a remote parent that is not sampled. |
+| `local_parent_sampled` | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configures the sampler for spans with a local parent that is sampled. |
+| `local_parent_not_sampled` | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configures the sampler for spans with a local parent that is not sampled. |
+
+<details>
+<summary>Language support status</summary>
+
+| Property | [cpp](#cpp) | [go](#go) | [java](#java) | [js](#js) |
+|---|---|---|---|---|
+| `root` | unknown | unknown | unknown | unknown |
+| `remote_parent_sampled` | unknown | unknown | unknown | unknown |
+| `remote_parent_not_sampled` | unknown | unknown | unknown | unknown |
+| `local_parent_sampled` | unknown | unknown | unknown | unknown |
+| `local_parent_not_sampled` | unknown | unknown | unknown | unknown |
+</details>
+
+Constraints: 
+
+* `additionalProperties`: `false`
+
+Usages:
+
+* [`ExperimentalComposableSampler.parent_based`](#experimentalcomposablesampler)
+
+<details>
+<summary>JSON Schema</summary>
+
+[JSON Schema Source File](./schema/tracer_provider.json)
+<pre>{
+  "type": [
+    "object",
+    "null"
+  ],
+  "additionalProperties": false,
+  "properties": {
+    "root": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    },
+    "remote_parent_sampled": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    },
+    "remote_parent_not_sampled": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    },
+    "local_parent_sampled": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    },
+    "local_parent_not_sampled": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    }
+  }
+}</pre>
+</details>
+
+## ExperimentalComposableProbabilitySampler <a id="experimentalcomposableprobabilitysampler"></a>
+
+> [!WARNING]
+> This type is [experimental](README.md#experimental-features).
+
+| Property | Type | Required? | Constraints | Description |
+|---|---|---|---|---|
+| `ratio` | one of:<br>* `number`<br>* `null`<br> | `false` | * `minimum`: `0`<br>* `maximum`: `1`<br> | Configure ratio.<br>If omitted or null, 1.0 is used.<br> |
+
+<details>
+<summary>Language support status</summary>
+
+| Property | [cpp](#cpp) | [go](#go) | [java](#java) | [js](#js) |
+|---|---|---|---|---|
+| `ratio` | unknown | unknown | unknown | unknown |
+</details>
+
+Constraints: 
+
+* `additionalProperties`: `false`
+
+Usages:
+
+* [`ExperimentalComposableSampler.probability`](#experimentalcomposablesampler)
+
+<details>
+<summary>JSON Schema</summary>
+
+[JSON Schema Source File](./schema/tracer_provider.json)
+<pre>{
+  "type": [
+    "object",
+    "null"
+  ],
+  "additionalProperties": false,
+  "properties": {
+    "ratio": {
+      "type": [
+        "number",
+        "null"
+      ],
+      "minimum": 0,
+      "maximum": 1
+    }
+  }
+}</pre>
+</details>
+
+## ExperimentalComposableSampler <a id="experimentalcomposablesampler"></a>
+
+> [!WARNING]
+> This type is [experimental](README.md#experimental-features).
+
+| Property | Type | Required? | Constraints | Description |
+|---|---|---|---|---|
+| `always_off` | [`ExperimentalComposableAlwaysOffSampler`](#experimentalcomposablealwaysoffsampler) | `false` | No constraints. | Configure sampler to be always_off. |
+| `always_on` | [`ExperimentalComposableAlwaysOnSampler`](#experimentalcomposablealwaysonsampler) | `false` | No constraints. | Configure sampler to be always_on. |
+| `probability` | [`ExperimentalComposableProbabilitySampler`](#experimentalcomposableprobabilitysampler) | `false` | No constraints. | Configure sampler to be probability. |
+| `parent_based` | [`ExperimentalComposableParentBasedSampler`](#experimentalcomposableparentbasedsampler) | `false` | No constraints. | Configure sampler to be parent_based. |
+
+<details>
+<summary>Language support status</summary>
+
+| Property | [cpp](#cpp) | [go](#go) | [java](#java) | [js](#js) |
+|---|---|---|---|---|
+| `always_off` | unknown | unknown | unknown | unknown |
+| `always_on` | unknown | unknown | unknown | unknown |
+| `probability` | unknown | unknown | unknown | unknown |
+| `parent_based` | unknown | unknown | unknown | unknown |
+</details>
+
+Constraints: 
+
+* `additionalProperties`: `{"type":["object","null"]}`
+* `minProperties`: `1`
+* `maxProperties`: `1`
+
+Usages:
+
+* [`Sampler.composite/development`](#sampler)
+* [`ExperimentalComposableParentBasedSampler.root`](#experimentalcomposableparentbasedsampler)
+* [`ExperimentalComposableParentBasedSampler.remote_parent_sampled`](#experimentalcomposableparentbasedsampler)
+* [`ExperimentalComposableParentBasedSampler.remote_parent_not_sampled`](#experimentalcomposableparentbasedsampler)
+* [`ExperimentalComposableParentBasedSampler.local_parent_sampled`](#experimentalcomposableparentbasedsampler)
+* [`ExperimentalComposableParentBasedSampler.local_parent_not_sampled`](#experimentalcomposableparentbasedsampler)
+
+<details>
+<summary>JSON Schema</summary>
+
+[JSON Schema Source File](./schema/tracer_provider.json)
+<pre>{
+  "type": "object",
+  "additionalProperties": {
+    "type": [
+      "object",
+      "null"
+    ]
+  },
+  "minProperties": 1,
+  "maxProperties": 1,
+  "properties": {
+    "always_off": {
+      "$ref": "#/$defs/ExperimentalComposableAlwaysOffSampler"
+    },
+    "always_on": {
+      "$ref": "#/$defs/ExperimentalComposableAlwaysOnSampler"
+    },
+    "parent_based": {
+      "$ref": "#/$defs/ExperimentalComposableParentBasedSampler"
+    },
+    "probability": {
+      "$ref": "#/$defs/ExperimentalComposableProbabilitySampler"
+    }
+  }
+}</pre>
+</details>
+
 ## ExperimentalContainerResourceDetector <a id="experimentalcontainerresourcedetector"></a>
 
 > [!WARNING]
@@ -5234,6 +5470,7 @@ Usages:
 | `trace_id_ratio_based` | [`TraceIdRatioBasedSampler`](#traceidratiobasedsampler) | `false` | No constraints. | Configure sampler to be trace_id_ratio_based. |
 | `probability/development`<br>**WARNING:** This property is [experimental](README.md#experimental-features). | [`ExperimentalProbabilitySampler`](#experimentalprobabilitysampler) | `false` | No constraints. | Configure sampler to be probability. |
 | `jaeger_remote/development`<br>**WARNING:** This property is [experimental](README.md#experimental-features). | [`ExperimentalJaegerRemoteSampler`](#experimentaljaegerremotesampler) | `false` | No constraints. | TODO |
+| `composite/development`<br>**WARNING:** This property is [experimental](README.md#experimental-features). | [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | `false` | No constraints. | Configure sampler to be composite. |
 
 <details>
 <summary>Language support status</summary>
@@ -5246,6 +5483,7 @@ Usages:
 | `trace_id_ratio_based` | supported | unknown | supported | unknown |
 | `probability/development` | supported | unknown | ignored | unknown |
 | `jaeger_remote/development` | supported | unknown | supported | unknown |
+| `composite/development` | supported | unknown | supported | unknown |
 </details>
 
 Constraints: 
@@ -5285,6 +5523,9 @@ Usages:
     "always_on": {
       "$ref": "#/$defs/AlwaysOnSampler"
     },
+    "composite/development": {
+      "$ref": "#/$defs/ExperimentalComposableSampler"
+    },
     "jaeger_remote/development": {
       "$ref": "#/$defs/ExperimentalJaegerRemoteSampler"
     },
@@ -5876,6 +6117,9 @@ Usages:
         "always_on": {
           "$ref": "#/$defs/AlwaysOnSampler"
         },
+        "composite/development": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        },
         "jaeger_remote/development": {
           "$ref": "#/$defs/ExperimentalJaegerRemoteSampler"
         },
@@ -5987,6 +6231,86 @@ Usages:
         }
       }
     },
+    "ExperimentalComposableAlwaysOffSampler": {
+      "type": [
+        "object",
+        "null"
+      ],
+      "additionalProperties": false
+    },
+    "ExperimentalComposableAlwaysOnSampler": {
+      "type": [
+        "object",
+        "null"
+      ],
+      "additionalProperties": false
+    },
+    "ExperimentalComposableParentBasedSampler": {
+      "type": [
+        "object",
+        "null"
+      ],
+      "additionalProperties": false,
+      "properties": {
+        "root": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        },
+        "remote_parent_sampled": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        },
+        "remote_parent_not_sampled": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        },
+        "local_parent_sampled": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        },
+        "local_parent_not_sampled": {
+          "$ref": "#/$defs/ExperimentalComposableSampler"
+        }
+      }
+    },
+    "ExperimentalComposableProbabilitySampler": {
+      "type": [
+        "object",
+        "null"
+      ],
+      "additionalProperties": false,
+      "properties": {
+        "ratio": {
+          "type": [
+            "number",
+            "null"
+          ],
+          "minimum": 0,
+          "maximum": 1
+        }
+      }
+    },
+    "ExperimentalComposableSampler": {
+      "type": "object",
+      "additionalProperties": {
+        "type": [
+          "object",
+          "null"
+        ]
+      },
+      "minProperties": 1,
+      "maxProperties": 1,
+      "properties": {
+        "always_off": {
+          "$ref": "#/$defs/ExperimentalComposableAlwaysOffSampler"
+        },
+        "always_on": {
+          "$ref": "#/$defs/ExperimentalComposableAlwaysOnSampler"
+        },
+        "parent_based": {
+          "$ref": "#/$defs/ExperimentalComposableParentBasedSampler"
+        },
+        "probability": {
+          "$ref": "#/$defs/ExperimentalComposableProbabilitySampler"
+        }
+      }
+    },
     "SimpleSpanProcessor": {
       "type": "object",
       "additionalProperties": false,
@@ -6435,6 +6759,11 @@ Latest supported file format: `1.0.0-rc.2`
 | [`DefaultAggregation`](#defaultaggregation) | supported |  |  |
 | [`DropAggregation`](#dropaggregation) | supported |  |  |
 | [`ExemplarFilter`](#exemplarfilter) | not_implemented |  | * `always_off`: not_implemented<br>* `always_on`: not_implemented<br>* `trace_based`: not_implemented<br> |
+| [`ExperimentalComposableAlwaysOffSampler`](#experimentalcomposablealwaysoffsampler) | unknown |  |  |
+| [`ExperimentalComposableAlwaysOnSampler`](#experimentalcomposablealwaysonsampler) | unknown |  |  |
+| [`ExperimentalComposableParentBasedSampler`](#experimentalcomposableparentbasedsampler) | unknown |  | * `root`: unknown<br>* `remote_parent_sampled`: unknown<br>* `remote_parent_not_sampled`: unknown<br>* `local_parent_sampled`: unknown<br>* `local_parent_not_sampled`: unknown<br> |
+| [`ExperimentalComposableProbabilitySampler`](#experimentalcomposableprobabilitysampler) | unknown |  | * `ratio`: unknown<br> |
+| [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `probability`: unknown<br>* `parent_based`: unknown<br> |
 | [`ExperimentalContainerResourceDetector`](#experimentalcontainerresourcedetector) | not_implemented |  |  |
 | [`ExperimentalGeneralInstrumentation`](#experimentalgeneralinstrumentation) | not_applicable |  | * `peer`: not_applicable<br>* `http`: not_applicable<br> |
 | [`ExperimentalHostResourceDetector`](#experimentalhostresourcedetector) | not_implemented |  |  |
@@ -6495,7 +6824,7 @@ Latest supported file format: `1.0.0-rc.2`
 | [`PullMetricReader`](#pullmetricreader) | supported |  | * `exporter`: supported<br>* `producers`: supported<br>* `cardinality_limits`: supported<br> |
 | [`PushMetricExporter`](#pushmetricexporter) | supported |  | * `otlp_http`: supported<br>* `otlp_grpc`: supported<br>* `otlp_file/development`: supported<br>* `console`: supported<br> |
 | [`Resource`](#resource) | supported |  | * `attributes`: supported<br>* `detection/development`: supported<br>* `schema_url`: supported<br>* `attributes_list`: supported<br> |
-| [`Sampler`](#sampler) | supported |  | * `always_off`: supported<br>* `always_on`: supported<br>* `parent_based`: supported<br>* `trace_id_ratio_based`: supported<br>* `probability/development`: supported<br>* `jaeger_remote/development`: supported<br> |
+| [`Sampler`](#sampler) | supported |  | * `always_off`: supported<br>* `always_on`: supported<br>* `parent_based`: supported<br>* `trace_id_ratio_based`: supported<br>* `probability/development`: supported<br>* `jaeger_remote/development`: supported<br>* `composite/development`: supported<br> |
 | [`SimpleLogRecordProcessor`](#simplelogrecordprocessor) | supported |  | * `exporter`: supported<br> |
 | [`SimpleSpanProcessor`](#simplespanprocessor) | supported |  | * `exporter`: supported<br> |
 | [`SpanExporter`](#spanexporter) | supported |  | * `otlp_http`: supported<br>* `otlp_grpc`: supported<br>* `otlp_file/development`: supported<br>* `console`: supported<br>* `zipkin`: supported<br> |
@@ -6536,6 +6865,11 @@ Latest supported file format: `0.3.0`
 | [`DefaultAggregation`](#defaultaggregation) | unknown |  |  |
 | [`DropAggregation`](#dropaggregation) | unknown |  |  |
 | [`ExemplarFilter`](#exemplarfilter) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `trace_based`: unknown<br> |
+| [`ExperimentalComposableAlwaysOffSampler`](#experimentalcomposablealwaysoffsampler) | unknown |  |  |
+| [`ExperimentalComposableAlwaysOnSampler`](#experimentalcomposablealwaysonsampler) | unknown |  |  |
+| [`ExperimentalComposableParentBasedSampler`](#experimentalcomposableparentbasedsampler) | unknown |  | * `root`: unknown<br>* `remote_parent_sampled`: unknown<br>* `remote_parent_not_sampled`: unknown<br>* `local_parent_sampled`: unknown<br>* `local_parent_not_sampled`: unknown<br> |
+| [`ExperimentalComposableProbabilitySampler`](#experimentalcomposableprobabilitysampler) | unknown |  | * `ratio`: unknown<br> |
+| [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `probability`: unknown<br>* `parent_based`: unknown<br> |
 | [`ExperimentalContainerResourceDetector`](#experimentalcontainerresourcedetector) | unknown |  |  |
 | [`ExperimentalGeneralInstrumentation`](#experimentalgeneralinstrumentation) | unknown |  | * `peer`: unknown<br>* `http`: unknown<br> |
 | [`ExperimentalHostResourceDetector`](#experimentalhostresourcedetector) | unknown |  |  |
@@ -6596,7 +6930,7 @@ Latest supported file format: `0.3.0`
 | [`PullMetricReader`](#pullmetricreader) | unknown |  | * `exporter`: unknown<br>* `producers`: unknown<br>* `cardinality_limits`: unknown<br> |
 | [`PushMetricExporter`](#pushmetricexporter) | unknown |  | * `otlp_http`: unknown<br>* `otlp_grpc`: unknown<br>* `otlp_file/development`: unknown<br>* `console`: unknown<br> |
 | [`Resource`](#resource) | unknown |  | * `attributes`: unknown<br>* `detection/development`: unknown<br>* `schema_url`: unknown<br>* `attributes_list`: unknown<br> |
-| [`Sampler`](#sampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `parent_based`: unknown<br>* `trace_id_ratio_based`: unknown<br>* `probability/development`: unknown<br>* `jaeger_remote/development`: unknown<br> |
+| [`Sampler`](#sampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `parent_based`: unknown<br>* `trace_id_ratio_based`: unknown<br>* `probability/development`: unknown<br>* `jaeger_remote/development`: unknown<br>* `composite/development`: unknown<br> |
 | [`SimpleLogRecordProcessor`](#simplelogrecordprocessor) | unknown |  | * `exporter`: unknown<br> |
 | [`SimpleSpanProcessor`](#simplespanprocessor) | unknown |  | * `exporter`: unknown<br> |
 | [`SpanExporter`](#spanexporter) | unknown |  | * `otlp_http`: unknown<br>* `otlp_grpc`: unknown<br>* `otlp_file/development`: unknown<br>* `console`: unknown<br>* `zipkin`: unknown<br> |
@@ -6637,6 +6971,11 @@ Latest supported file format: `1.0.0-rc.1`
 | [`DefaultAggregation`](#defaultaggregation) | supported |  |  |
 | [`DropAggregation`](#dropaggregation) | supported |  |  |
 | [`ExemplarFilter`](#exemplarfilter) | supported |  | * `always_off`: supported<br>* `always_on`: supported<br>* `trace_based`: supported<br> |
+| [`ExperimentalComposableAlwaysOffSampler`](#experimentalcomposablealwaysoffsampler) | unknown |  |  |
+| [`ExperimentalComposableAlwaysOnSampler`](#experimentalcomposablealwaysonsampler) | unknown |  |  |
+| [`ExperimentalComposableParentBasedSampler`](#experimentalcomposableparentbasedsampler) | unknown |  | * `root`: unknown<br>* `remote_parent_sampled`: unknown<br>* `remote_parent_not_sampled`: unknown<br>* `local_parent_sampled`: unknown<br>* `local_parent_not_sampled`: unknown<br> |
+| [`ExperimentalComposableProbabilitySampler`](#experimentalcomposableprobabilitysampler) | unknown |  | * `ratio`: unknown<br> |
+| [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `probability`: unknown<br>* `parent_based`: unknown<br> |
 | [`ExperimentalContainerResourceDetector`](#experimentalcontainerresourcedetector) | supported |  |  |
 | [`ExperimentalGeneralInstrumentation`](#experimentalgeneralinstrumentation) | supported |  | * `peer`: supported<br>* `http`: supported<br> |
 | [`ExperimentalHostResourceDetector`](#experimentalhostresourcedetector) | supported |  |  |
@@ -6697,7 +7036,7 @@ Latest supported file format: `1.0.0-rc.1`
 | [`PullMetricReader`](#pullmetricreader) | supported |  | * `exporter`: supported<br>* `producers`: not_implemented<br>* `cardinality_limits`: supported<br> |
 | [`PushMetricExporter`](#pushmetricexporter) | supported |  | * `otlp_http`: supported<br>* `otlp_grpc`: supported<br>* `otlp_file/development`: supported<br>* `console`: supported<br> |
 | [`Resource`](#resource) | supported |  | * `attributes`: supported<br>* `detection/development`: supported<br>* `schema_url`: ignored<br>* `attributes_list`: supported<br> |
-| [`Sampler`](#sampler) | supported |  | * `always_off`: supported<br>* `always_on`: supported<br>* `parent_based`: supported<br>* `trace_id_ratio_based`: supported<br>* `probability/development`: ignored<br>* `jaeger_remote/development`: supported<br> |
+| [`Sampler`](#sampler) | supported |  | * `always_off`: supported<br>* `always_on`: supported<br>* `parent_based`: supported<br>* `trace_id_ratio_based`: supported<br>* `probability/development`: ignored<br>* `jaeger_remote/development`: supported<br>* `composite/development`: supported<br> |
 | [`SimpleLogRecordProcessor`](#simplelogrecordprocessor) | supported |  | * `exporter`: supported<br> |
 | [`SimpleSpanProcessor`](#simplespanprocessor) | supported |  | * `exporter`: supported<br> |
 | [`SpanExporter`](#spanexporter) | supported |  | * `otlp_http`: supported<br>* `otlp_grpc`: supported<br>* `otlp_file/development`: supported<br>* `console`: supported<br>* `zipkin`: supported<br> |
@@ -6738,6 +7077,11 @@ Latest supported file format: `1.0.0-rc.2`
 | [`DefaultAggregation`](#defaultaggregation) | unknown |  |  |
 | [`DropAggregation`](#dropaggregation) | unknown |  |  |
 | [`ExemplarFilter`](#exemplarfilter) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `trace_based`: unknown<br> |
+| [`ExperimentalComposableAlwaysOffSampler`](#experimentalcomposablealwaysoffsampler) | unknown |  |  |
+| [`ExperimentalComposableAlwaysOnSampler`](#experimentalcomposablealwaysonsampler) | unknown |  |  |
+| [`ExperimentalComposableParentBasedSampler`](#experimentalcomposableparentbasedsampler) | unknown |  | * `root`: unknown<br>* `remote_parent_sampled`: unknown<br>* `remote_parent_not_sampled`: unknown<br>* `local_parent_sampled`: unknown<br>* `local_parent_not_sampled`: unknown<br> |
+| [`ExperimentalComposableProbabilitySampler`](#experimentalcomposableprobabilitysampler) | unknown |  | * `ratio`: unknown<br> |
+| [`ExperimentalComposableSampler`](#experimentalcomposablesampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `probability`: unknown<br>* `parent_based`: unknown<br> |
 | [`ExperimentalContainerResourceDetector`](#experimentalcontainerresourcedetector) | unknown |  |  |
 | [`ExperimentalGeneralInstrumentation`](#experimentalgeneralinstrumentation) | unknown |  | * `peer`: unknown<br>* `http`: unknown<br> |
 | [`ExperimentalHostResourceDetector`](#experimentalhostresourcedetector) | unknown |  |  |
@@ -6798,7 +7142,7 @@ Latest supported file format: `1.0.0-rc.2`
 | [`PullMetricReader`](#pullmetricreader) | unknown |  | * `exporter`: unknown<br>* `producers`: unknown<br>* `cardinality_limits`: unknown<br> |
 | [`PushMetricExporter`](#pushmetricexporter) | unknown |  | * `otlp_http`: unknown<br>* `otlp_grpc`: unknown<br>* `otlp_file/development`: unknown<br>* `console`: unknown<br> |
 | [`Resource`](#resource) | unknown |  | * `attributes`: unknown<br>* `detection/development`: unknown<br>* `schema_url`: unknown<br>* `attributes_list`: unknown<br> |
-| [`Sampler`](#sampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `parent_based`: unknown<br>* `trace_id_ratio_based`: unknown<br>* `probability/development`: unknown<br>* `jaeger_remote/development`: unknown<br> |
+| [`Sampler`](#sampler) | unknown |  | * `always_off`: unknown<br>* `always_on`: unknown<br>* `parent_based`: unknown<br>* `trace_id_ratio_based`: unknown<br>* `probability/development`: unknown<br>* `jaeger_remote/development`: unknown<br>* `composite/development`: unknown<br> |
 | [`SimpleLogRecordProcessor`](#simplelogrecordprocessor) | unknown |  | * `exporter`: unknown<br> |
 | [`SimpleSpanProcessor`](#simplespanprocessor) | unknown |  | * `exporter`: unknown<br> |
 | [`SpanExporter`](#spanexporter) | unknown |  | * `otlp_http`: unknown<br>* `otlp_grpc`: unknown<br>* `otlp_file/development`: unknown<br>* `console`: unknown<br>* `zipkin`: unknown<br> |
diff --git a/schema/meta_schema_language_cpp.yaml b/schema/meta_schema_language_cpp.yaml
index 8f4d559f..419c1dae 100644
--- a/schema/meta_schema_language_cpp.yaml
+++ b/schema/meta_schema_language_cpp.yaml
@@ -72,6 +72,26 @@ typeSupportStatuses:
     status: not_implemented
     notes: ""
     enumOverrides: []
+  - type: ExperimentalComposableAlwaysOffSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableAlwaysOnSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableParentBasedSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableProbabilitySampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
   - type: ExperimentalContainerResourceDetector
     status: not_implemented
     notes: ""
diff --git a/schema/meta_schema_language_go.yaml b/schema/meta_schema_language_go.yaml
index cd7d466f..6ecb8cfb 100644
--- a/schema/meta_schema_language_go.yaml
+++ b/schema/meta_schema_language_go.yaml
@@ -72,6 +72,26 @@ typeSupportStatuses:
     status: unknown
     notes: ""
     enumOverrides: []
+  - type: ExperimentalComposableAlwaysOffSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableAlwaysOnSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableParentBasedSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableProbabilitySampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
   - type: ExperimentalContainerResourceDetector
     status: unknown
     notes: ""
diff --git a/schema/meta_schema_language_java.yaml b/schema/meta_schema_language_java.yaml
index b84ce238..91c13f22 100644
--- a/schema/meta_schema_language_java.yaml
+++ b/schema/meta_schema_language_java.yaml
@@ -78,6 +78,26 @@ typeSupportStatuses:
     status: supported
     notes: ""
     enumOverrides: []
+  - type: ExperimentalComposableAlwaysOffSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableAlwaysOnSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableParentBasedSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableProbabilitySampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
   - type: ExperimentalContainerResourceDetector
     status: supported
     notes: ""
diff --git a/schema/meta_schema_language_js.yaml b/schema/meta_schema_language_js.yaml
index 0673ccf2..38cbcf35 100644
--- a/schema/meta_schema_language_js.yaml
+++ b/schema/meta_schema_language_js.yaml
@@ -72,6 +72,26 @@ typeSupportStatuses:
     status: unknown
     notes: ""
     enumOverrides: []
+  - type: ExperimentalComposableAlwaysOffSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableAlwaysOnSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableParentBasedSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableProbabilitySampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
+  - type: ExperimentalComposableSampler
+    status: unknown
+    notes: ""
+    propertyOverrides: []
   - type: ExperimentalContainerResourceDetector
     status: unknown
     notes: ""
diff --git a/schema/meta_schema_types.yaml b/schema/meta_schema_types.yaml
index ef780779..abd05523 100644
--- a/schema/meta_schema_types.yaml
+++ b/schema/meta_schema_types.yaml
@@ -960,6 +960,8 @@
       description: Configure sampler to be probability.
     - property: jaeger_remote/development
       description: TODO
+    - property: composite/development
+      description: Configure sampler to be composite.
   isSdkExtensionPlugin: true
 - type: SimpleLogRecordProcessor
   properties:
@@ -1161,3 +1163,40 @@
     - property: initial_sampler
       description: TODO
   isSdkExtensionPlugin: false
+- type: ExperimentalComposableSampler
+  properties:
+    - property: always_off
+      description: Configure sampler to be always_off.
+    - property: always_on
+      description: Configure sampler to be always_on.
+    - property: probability
+      description: Configure sampler to be probability.
+    - property: parent_based
+      description: Configure sampler to be parent_based.
+  isSdkExtensionPlugin: false
+- type: ExperimentalComposableParentBasedSampler
+  properties:
+    - property: root
+      description: Configures the sampler for spans with no parent.
+    - property: remote_parent_sampled
+      description: Configures the sampler for spans with a remote parent that is sampled.
+    - property: remote_parent_not_sampled
+      description: Configures the sampler for spans with a remote parent that is not sampled.
+    - property: local_parent_sampled
+      description: Configures the sampler for spans with a local parent that is sampled.
+    - property: local_parent_not_sampled
+      description: Configures the sampler for spans with a local parent that is not sampled.
+  isSdkExtensionPlugin: false
+- type: ExperimentalComposableAlwaysOffSampler
+  properties: []
+  isSdkExtensionPlugin: false
+- type: ExperimentalComposableAlwaysOnSampler
+  properties: []
+  isSdkExtensionPlugin: false
+- type: ExperimentalComposableProbabilitySampler
+  properties:
+    - property: ratio
+      description: |
+        Configure ratio.
+        If omitted or null, 1.0 is used.
+  isSdkExtensionPlugin: false
diff --git a/schema/tracer_provider.json b/schema/tracer_provider.json
index bec14c90..f350f0a9 100644
--- a/schema/tracer_provider.json
+++ b/schema/tracer_provider.json
@@ -67,6 +67,9 @@
                 "always_on": {
                     "$ref": "#/$defs/AlwaysOnSampler"
                 },
+                "composite/development": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                },
                 "jaeger_remote/development": {
                     "$ref": "#/$defs/ExperimentalJaegerRemoteSampler"
                 },
@@ -148,6 +151,68 @@
                 }
             }
         },
+        "ExperimentalComposableAlwaysOffSampler": {
+            "type": ["object", "null"],
+            "additionalProperties": false
+        },
+        "ExperimentalComposableAlwaysOnSampler": {
+            "type": ["object", "null"],
+            "additionalProperties": false
+        },
+        "ExperimentalComposableParentBasedSampler": {
+            "type": ["object", "null"],
+            "additionalProperties": false,
+            "properties": {
+                "root": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                },
+                "remote_parent_sampled": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                },
+                "remote_parent_not_sampled": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                },
+                "local_parent_sampled": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                },
+                "local_parent_not_sampled": {
+                    "$ref": "#/$defs/ExperimentalComposableSampler"
+                }
+            }
+        },
+        "ExperimentalComposableProbabilitySampler": {
+            "type": ["object", "null"],
+            "additionalProperties": false,
+            "properties": {
+                "ratio": {
+                    "type": ["number", "null"],
+                    "minimum": 0,
+                    "maximum": 1
+                }
+            }
+        },
+        "ExperimentalComposableSampler": {
+            "type": "object",
+            "additionalProperties": {
+                "type": ["object", "null"]
+            },
+            "minProperties": 1,
+            "maxProperties": 1,
+            "properties": {
+                "always_off": {
+                    "$ref": "#/$defs/ExperimentalComposableAlwaysOffSampler"
+                },
+                "always_on": {
+                    "$ref": "#/$defs/ExperimentalComposableAlwaysOnSampler"
+                },
+                "parent_based": {
+                    "$ref": "#/$defs/ExperimentalComposableParentBasedSampler"
+                },
+                "probability": {
+                    "$ref": "#/$defs/ExperimentalComposableProbabilitySampler"
+                }
+            }
+        },
         "SimpleSpanProcessor": {
             "type": "object",
             "additionalProperties": false,