docs: Add environment variable table

docs/core/logging.md

@@ -18,7 +18,7 @@ Logging requires two settings:
 
 Setting | Description | Environment variable | Attribute parameter
 ------------------------------------------------- | ------------------------------------------------- | ------------------------------------------------- | -------------------------------------------------
-**Logging level** | Sets how verbose Logger should be (Information, by default) |  `LOG_LEVEL` | `LogLevel`
+**Logging level** | Sets how verbose Logger should be (Information, by default) |  `POWERTOOLS_LOG_LEVEL` | `LogLevel`
 **Service** | Sets **Service** key that will be present across all log statements | `POWERTOOLS_SERVICE_NAME` | `Service`
 
 ### Example using AWS Serverless Application Model (AWS SAM)
@@ -63,7 +63,7 @@ Key | Type | Example | Description
 
 ## Logging incoming event
 
-When debugging in non-production environments, you can instruct Logger to log the incoming event with `LogEvent` parameter or via POWERTOOLS_LOGGER_LOG_EVENT environment variable.
+When debugging in non-production environments, you can instruct Logger to log the incoming event with `LogEvent` parameter or via `POWERTOOLS_LOGGER_LOG_EVENT` environment variable.
 
 !!! warning
     Log event is disabled by default to prevent sensitive info being logged.

docs/references.md

@@ -11,14 +11,80 @@ description: AWS Lambda Powertools for .NET references
 | Environment variable | Description | Utility | Default |
 | ------------------------------------------------- | --------------------------------------------------------------------------------- | --------------------------------------------------------------------------------- | ------------------------------------------------- |
 | **POWERTOOLS_SERVICE_NAME** | Sets service name used for tracing namespace, metrics dimension and structured logging | All | `"service_undefined"` |
+| **POWERTOOLS_LOG_LEVEL** | Sets logging level | [Logging](./core/logger) | `Information` |
+| **POWERTOOLS_LOGGER_CASE** | Override the default casing for log keys | [Logging](./core/logging/#configure-log-output-casing) | `SnakeCase` |
+| **POWERTOOLS_LOGGER_LOG_EVENT** | Logs incoming event | [Logging](./core/logging) | `false` |
+| **POWERTOOLS_LOGGER_SAMPLE_RATE** | Debug log sampling | [Logging](./core/logging) | `0` |
 | **POWERTOOLS_METRICS_NAMESPACE** | Sets namespace used for metrics | [Metrics](./core/metrics) | `None` |
 | **POWERTOOLS_TRACE_DISABLED** | Disables tracing | [Tracing](./core/tracing) | `false` |
 | **POWERTOOLS_TRACER_CAPTURE_RESPONSE** | Captures Lambda or method return as metadata. | [Tracing](./core/tracing) | `true` |
 | **POWERTOOLS_TRACER_CAPTURE_ERROR** | Captures Lambda or method exception as metadata. | [Tracing](./core/tracing) | `true` |
-| **POWERTOOLS_LOGGER_LOG_EVENT** | Logs incoming event | [Logging](./core/logging) | `false` |
-| **POWERTOOLS_LOGGER_SAMPLE_RATE** | Debug log sampling | [Logging](./core/logging) | `0` |
-| **POWERTOOLS_LOG_DEDUPLICATION_DISABLED** | Disables log deduplication filter protection to use Pytest Live Log feature | [Logging](./core/logging) | `false` |
 
-## SAM template snippets
 
-TODO.... 
+
+### Logging
+
+```yaml
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: MIT-0
+AWSTemplateFormatVersion: "2010-09-09"
+Transform: AWS::Serverless-2016-10-31
+Description: >
+  Example project for AWS Lambda Powertools Logging utility
+
+# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
+Globals:
+  Function:
+    Timeout: 10
+    Environment:
+      Variables:
+        POWERTOOLS_SERVICE_NAME: powertools-dotnet-logging-sample
+        POWERTOOLS_LOGGER_LOG_EVENT: true
+        POWERTOOLS_LOG_LEVEL: Debug
+        POWERTOOLS_LOGGER_CASE: SnakeCase # Allowed values are: CamelCase, PascalCase and SnakeCase
+
+```
+
+### Metrics
+
+```yaml
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: MIT-0
+AWSTemplateFormatVersion: "2010-09-09"
+Transform: AWS::Serverless-2016-10-31
+Description: >
+  Example project for AWS Lambda Powertools Metrics utility
+
+# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
+Globals:
+  Function:
+    Timeout: 10
+    Environment:
+      Variables:
+        POWERTOOLS_SERVICE_NAME: powertools-dotnet-metrics-sample # This can also be set using the Metrics decorator on your handler [Metrics(Namespace = "aws-lambda-powertools"]
+        POWERTOOLS_METRICS_NAMESPACE: AWSLambdaPowertools # This can also be set using the Metrics decorator on your handler [Metrics(Namespace = "aws-lambda-powertools"]
+```
+
+### Tracing
+
+```yaml
+# Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
+# SPDX-License-Identifier: MIT-0
+AWSTemplateFormatVersion: "2010-09-09"
+Transform: AWS::Serverless-2016-10-31
+Description: >
+  Example project for AWS Lambda Powertools tracing utility
+
+# More info about Globals: https://github.com/awslabs/serverless-application-model/blob/master/docs/globals.rst
+Globals:
+  Function:
+    Timeout: 10
+    Tracing: Active
+    Environment:
+      Variables:
+        POWERTOOLS_SERVICE_NAME: powertools-dotnet-tracing-sample
+        POWERTOOLS_TRACE_DISABLED: true
+        POWERTOOLS_TRACER_CAPTURE_RESPONSE: true
+        POWERTOOLS_TRACER_CAPTURE_ERROR: true     # To disable tracing (CaptureMode = TracingCaptureMode.Disabled)
+
+```

libraries/src/AWS.Lambda.Powertools.Common/Core/Constants.cs

@@ -51,9 +51,9 @@ internal static class Constants
     internal const string MetricsNamespaceEnv = "POWERTOOLS_METRICS_NAMESPACE";
 
     /// <summary>
-    ///     Constant for LOG_LEVEL environment variable
+    ///     Constant for POWERTOOLS_LOG_LEVEL environment variable
     /// </summary>
-    internal const string LogLevelNameEnv = "LOG_LEVEL";
+    internal const string LogLevelNameEnv = "POWERTOOLS_LOG_LEVEL";
 
     /// <summary>
     ///     Constant for POWERTOOLS_LOGGER_SAMPLE_RATE environment variable

libraries/src/AWS.Lambda.Powertools.Logging/LoggerConfiguration.cs

@@ -35,7 +35,7 @@ public class LoggerConfiguration : IOptions<LoggerConfiguration>
 
     /// <summary>
     ///     Specify the minimum log level for logging (Information, by default).
-    ///     This can be also set using the environment variable <c>LOG_LEVEL</c>.
+    ///     This can be also set using the environment variable <c>POWERTOOLS_LOG_LEVEL</c>.
     /// </summary>
     /// <value>The minimum level.</value>
     public LogLevel? MinimumLevel { get; set; }

libraries/src/AWS.Lambda.Powertools.Logging/LoggingAttribute.cs

@@ -57,7 +57,7 @@ public class LoggingAttribute : MethodAspectAttribute
 
     /// <summary>
     ///     Specify the minimum log level for logging (Information, by default).
-    ///     This can be also set using the environment variable <c>LOG_LEVEL</c>.
+    ///     This can be also set using the environment variable <c>POWERTOOLS_LOG_LEVEL</c>.
     /// </summary>
     /// <value>The log level.</value>
     public LogLevel LogLevel