diff --git a/sdk/appplatform/azure-mgmt-appplatform/_meta.json b/sdk/appplatform/azure-mgmt-appplatform/_meta.json
index e087fa371e6d..ae81e60a13ff 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/_meta.json
+++ b/sdk/appplatform/azure-mgmt-appplatform/_meta.json
@@ -1,11 +1,11 @@
 {
-  "autorest": "3.4.2",
+  "autorest": "3.4.5",
   "use": [
-    "@autorest/python@5.8.1",
+    "@autorest/python@5.8.4",
     "@autorest/modelerfour@4.19.2"
   ],
-  "commit": "c803720c6bcfcb0fcf4c97f3463ec33a18f9e55c",
+  "commit": "853a0f86a6e2a9a15205fa9ce2a7a7a6d7a8b0a5",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
-  "autorest_command": "autorest specification/appplatform/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.1 --use=@autorest/modelerfour@4.19.2 --version=3.4.2",
+  "autorest_command": "autorest specification/appplatform/resource-manager/readme.md --multiapi --python --python-mode=update --python-sdks-folder=/home/vsts/work/1/s/azure-sdk-for-python/sdk --track2 --use=@autorest/python@5.8.4 --use=@autorest/modelerfour@4.19.2 --version=3.4.5",
   "readme": "specification/appplatform/resource-manager/readme.md"
 }
\ No newline at end of file
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/_version.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/_version.py
index 92453d8691d9..e5754a47ce68 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/_version.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "6.1.0"
+VERSION = "1.0.0b1"
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models.py
index 8e0cc5fe573b..81e6462e7e01 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models.py
@@ -1285,6 +1285,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2019_05_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1298,6 +1300,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1315,6 +1318,7 @@ def __init__(
         self.supported_time_grain_types = kwargs.get('supported_time_grain_types', None)
         self.fill_gap_with_zero = kwargs.get('fill_gap_with_zero', None)
         self.dimensions = kwargs.get('dimensions', None)
+        self.source_mdm_namespace = kwargs.get('source_mdm_namespace', None)
 
 
 class NameAvailability(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models_py3.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models_py3.py
index 2538ba5505b8..7afe41afaa21 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models_py3.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2019_05_01_preview/models/_models_py3.py
@@ -1408,6 +1408,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2019_05_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1421,6 +1423,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1436,6 +1439,7 @@ def __init__(
         supported_time_grain_types: Optional[List[str]] = None,
         fill_gap_with_zero: Optional[bool] = None,
         dimensions: Optional[List["MetricDimension"]] = None,
+        source_mdm_namespace: Optional[str] = None,
         **kwargs
     ):
         super(MetricSpecification, self).__init__(**kwargs)
@@ -1449,6 +1453,7 @@ def __init__(
         self.supported_time_grain_types = supported_time_grain_types
         self.fill_gap_with_zero = fill_gap_with_zero
         self.dimensions = dimensions
+        self.source_mdm_namespace = source_mdm_namespace
 
 
 class NameAvailability(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/_version.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/_version.py
index 92453d8691d9..e5754a47ce68 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/_version.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "6.1.0"
+VERSION = "1.0.0b1"
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models.py
index 10db354c88fe..9428d8d29e68 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models.py
@@ -1353,6 +1353,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2020_07_01.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1366,6 +1368,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1383,6 +1386,7 @@ def __init__(
         self.supported_time_grain_types = kwargs.get('supported_time_grain_types', None)
         self.fill_gap_with_zero = kwargs.get('fill_gap_with_zero', None)
         self.dimensions = kwargs.get('dimensions', None)
+        self.source_mdm_namespace = kwargs.get('source_mdm_namespace', None)
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models_py3.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models_py3.py
index 1d9493a94812..b1dad0b57a2b 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models_py3.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_07_01/models/_models_py3.py
@@ -1482,6 +1482,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2020_07_01.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1495,6 +1497,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1510,6 +1513,7 @@ def __init__(
         supported_time_grain_types: Optional[List[str]] = None,
         fill_gap_with_zero: Optional[bool] = None,
         dimensions: Optional[List["MetricDimension"]] = None,
+        source_mdm_namespace: Optional[str] = None,
         **kwargs
     ):
         super(MetricSpecification, self).__init__(**kwargs)
@@ -1523,6 +1527,7 @@ def __init__(
         self.supported_time_grain_types = supported_time_grain_types
         self.fill_gap_with_zero = fill_gap_with_zero
         self.dimensions = dimensions
+        self.source_mdm_namespace = source_mdm_namespace
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/_version.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/_version.py
index 92453d8691d9..e5754a47ce68 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/_version.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "6.1.0"
+VERSION = "1.0.0b1"
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models.py
index 6a3b321f02f4..1b64478e4171 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models.py
@@ -1388,6 +1388,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2020_11_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1401,6 +1403,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1418,6 +1421,7 @@ def __init__(
         self.supported_time_grain_types = kwargs.get('supported_time_grain_types', None)
         self.fill_gap_with_zero = kwargs.get('fill_gap_with_zero', None)
         self.dimensions = kwargs.get('dimensions', None)
+        self.source_mdm_namespace = kwargs.get('source_mdm_namespace', None)
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models_py3.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models_py3.py
index ad133e58850c..e8b893255fd1 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models_py3.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2020_11_01_preview/models/_models_py3.py
@@ -1518,6 +1518,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2020_11_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1531,6 +1533,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1546,6 +1549,7 @@ def __init__(
         supported_time_grain_types: Optional[List[str]] = None,
         fill_gap_with_zero: Optional[bool] = None,
         dimensions: Optional[List["MetricDimension"]] = None,
+        source_mdm_namespace: Optional[str] = None,
         **kwargs
     ):
         super(MetricSpecification, self).__init__(**kwargs)
@@ -1559,6 +1563,7 @@ def __init__(
         self.supported_time_grain_types = supported_time_grain_types
         self.fill_gap_with_zero = fill_gap_with_zero
         self.dimensions = dimensions
+        self.source_mdm_namespace = source_mdm_namespace
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/_version.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/_version.py
index 92453d8691d9..e5754a47ce68 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/_version.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "6.1.0"
+VERSION = "1.0.0b1"
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models.py
index 0fff45f07e4a..7b45b3b50415 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models.py
@@ -227,11 +227,11 @@ def __init__(
         self.provisioning_state = None
         self.active_deployment_name = kwargs.get('active_deployment_name', None)
         self.fqdn = kwargs.get('fqdn', None)
-        self.https_only = kwargs.get('https_only', None)
+        self.https_only = kwargs.get('https_only', False)
         self.created_time = None
         self.temporary_disk = kwargs.get('temporary_disk', None)
         self.persistent_disk = kwargs.get('persistent_disk', None)
-        self.enable_end_to_end_tls = kwargs.get('enable_end_to_end_tls', None)
+        self.enable_end_to_end_tls = kwargs.get('enable_end_to_end_tls', False)
 
 
 class AvailableOperations(msrest.serialization.Model):
@@ -1185,7 +1185,7 @@ class DeploymentSettings(msrest.serialization.Model):
     :param environment_variables: Collection of environment variables.
     :type environment_variables: dict[str, str]
     :param runtime_version: Runtime version. Possible values include: "Java_8", "Java_11",
-     "NetCore_31".
+     "NetCore_31". Default value: "Java_8".
     :type runtime_version: str or ~azure.mgmt.appplatform.v2021_06_01_preview.models.RuntimeVersion
     """
 
@@ -1210,7 +1210,7 @@ def __init__(
         self.jvm_options = kwargs.get('jvm_options', None)
         self.net_core_main_entry_path = kwargs.get('net_core_main_entry_path', None)
         self.environment_variables = kwargs.get('environment_variables', None)
-        self.runtime_version = kwargs.get('runtime_version', None)
+        self.runtime_version = kwargs.get('runtime_version', "Java_8")
 
 
 class Error(msrest.serialization.Model):
@@ -1459,6 +1459,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2021_06_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1472,6 +1474,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1489,6 +1492,7 @@ def __init__(
         self.supported_time_grain_types = kwargs.get('supported_time_grain_types', None)
         self.fill_gap_with_zero = kwargs.get('fill_gap_with_zero', None)
         self.dimensions = kwargs.get('dimensions', None)
+        self.source_mdm_namespace = kwargs.get('source_mdm_namespace', None)
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
@@ -2425,7 +2429,7 @@ def __init__(
     ):
         super(TemporaryDisk, self).__init__(**kwargs)
         self.size_in_gb = kwargs.get('size_in_gb', None)
-        self.mount_path = kwargs.get('mount_path', None)
+        self.mount_path = kwargs.get('mount_path', "/tmp")
 
 
 class TestKeys(msrest.serialization.Model):
diff --git a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models_py3.py b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models_py3.py
index f2bb0bee5df1..abec200ca329 100644
--- a/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models_py3.py
+++ b/sdk/appplatform/azure-mgmt-appplatform/azure/mgmt/appplatform/v2021_06_01_preview/models/_models_py3.py
@@ -234,10 +234,10 @@ def __init__(
         public: Optional[bool] = None,
         active_deployment_name: Optional[str] = None,
         fqdn: Optional[str] = None,
-        https_only: Optional[bool] = None,
+        https_only: Optional[bool] = False,
         temporary_disk: Optional["TemporaryDisk"] = None,
         persistent_disk: Optional["PersistentDisk"] = None,
-        enable_end_to_end_tls: Optional[bool] = None,
+        enable_end_to_end_tls: Optional[bool] = False,
         **kwargs
     ):
         super(AppResourceProperties, self).__init__(**kwargs)
@@ -1285,7 +1285,7 @@ class DeploymentSettings(msrest.serialization.Model):
     :param environment_variables: Collection of environment variables.
     :type environment_variables: dict[str, str]
     :param runtime_version: Runtime version. Possible values include: "Java_8", "Java_11",
-     "NetCore_31".
+     "NetCore_31". Default value: "Java_8".
     :type runtime_version: str or ~azure.mgmt.appplatform.v2021_06_01_preview.models.RuntimeVersion
     """
 
@@ -1308,7 +1308,7 @@ def __init__(
         jvm_options: Optional[str] = None,
         net_core_main_entry_path: Optional[str] = None,
         environment_variables: Optional[Dict[str, str]] = None,
-        runtime_version: Optional[Union[str, "RuntimeVersion"]] = None,
+        runtime_version: Optional[Union[str, "RuntimeVersion"]] = "Java_8",
         **kwargs
     ):
         super(DeploymentSettings, self).__init__(**kwargs)
@@ -1599,6 +1599,8 @@ class MetricSpecification(msrest.serialization.Model):
     :type fill_gap_with_zero: bool
     :param dimensions: Dimensions of the metric.
     :type dimensions: list[~azure.mgmt.appplatform.v2021_06_01_preview.models.MetricDimension]
+    :param source_mdm_namespace: Name of the MDM namespace. Optional.
+    :type source_mdm_namespace: str
     """
 
     _attribute_map = {
@@ -1612,6 +1614,7 @@ class MetricSpecification(msrest.serialization.Model):
         'supported_time_grain_types': {'key': 'supportedTimeGrainTypes', 'type': '[str]'},
         'fill_gap_with_zero': {'key': 'fillGapWithZero', 'type': 'bool'},
         'dimensions': {'key': 'dimensions', 'type': '[MetricDimension]'},
+        'source_mdm_namespace': {'key': 'sourceMdmNamespace', 'type': 'str'},
     }
 
     def __init__(
@@ -1627,6 +1630,7 @@ def __init__(
         supported_time_grain_types: Optional[List[str]] = None,
         fill_gap_with_zero: Optional[bool] = None,
         dimensions: Optional[List["MetricDimension"]] = None,
+        source_mdm_namespace: Optional[str] = None,
         **kwargs
     ):
         super(MetricSpecification, self).__init__(**kwargs)
@@ -1640,6 +1644,7 @@ def __init__(
         self.supported_time_grain_types = supported_time_grain_types
         self.fill_gap_with_zero = fill_gap_with_zero
         self.dimensions = dimensions
+        self.source_mdm_namespace = source_mdm_namespace
 
 
 class MonitoringSettingProperties(msrest.serialization.Model):
@@ -2675,7 +2680,7 @@ def __init__(
         self,
         *,
         size_in_gb: Optional[int] = None,
-        mount_path: Optional[str] = None,
+        mount_path: Optional[str] = "/tmp",
         **kwargs
     ):
         super(TemporaryDisk, self).__init__(**kwargs)