diff --git a/sdk/synapse/azure-mgmt-synapse/_meta.json b/sdk/synapse/azure-mgmt-synapse/_meta.json
index 7514e021aad9..6f82cf2888f9 100644
--- a/sdk/synapse/azure-mgmt-synapse/_meta.json
+++ b/sdk/synapse/azure-mgmt-synapse/_meta.json
@@ -4,7 +4,7 @@
     "@autorest/python@5.8.4",
     "@autorest/modelerfour@4.19.2"
   ],
-  "commit": "f8aa8bcbac3d389a1ed5b9c77f1bcb6cc2074a7d",
+  "commit": "ae281652cdea89dffa01aa2d1e31d532dd702a8a",
   "repository_url": "https://github.com/Azure/azure-rest-api-specs",
   "autorest_command": "autorest specification/synapse/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/synapse/resource-manager/readme.md"
diff --git a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/_version.py b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/_version.py
index b2fff948b5bb..e5754a47ce68 100644
--- a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/_version.py
+++ b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/_version.py
@@ -6,4 +6,4 @@
 # Changes may cause incorrect behavior and will be lost if the code is regenerated.
 # --------------------------------------------------------------------------
 
-VERSION = "2.1.0b2"
+VERSION = "1.0.0b1"
diff --git a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models.py b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models.py
index 4d2ba3db1eb2..30403b5065b1 100644
--- a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models.py
+++ b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models.py
@@ -2257,6 +2257,9 @@ class EventHubDataConnection(DataConnection):
     :ivar provisioning_state: The provisioned state of the resource. Possible values include:
      "Running", "Creating", "Deleting", "Succeeded", "Failed", "Moving", "Canceled".
     :vartype provisioning_state: str or ~azure.mgmt.synapse.models.ResourceProvisioningState
+    :param managed_identity_resource_id: The resource ID of a managed identity (system or user
+     assigned) to be used to authenticate with event hub.
+    :type managed_identity_resource_id: str
     """
 
     _validation = {
@@ -2283,6 +2286,7 @@ class EventHubDataConnection(DataConnection):
         'event_system_properties': {'key': 'properties.eventSystemProperties', 'type': '[str]'},
         'compression': {'key': 'properties.compression', 'type': 'str'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'managed_identity_resource_id': {'key': 'properties.managedIdentityResourceId', 'type': 'str'},
     }
 
     def __init__(
@@ -2299,6 +2303,7 @@ def __init__(
         self.event_system_properties = kwargs.get('event_system_properties', None)
         self.compression = kwargs.get('compression', None)
         self.provisioning_state = None
+        self.managed_identity_resource_id = kwargs.get('managed_identity_resource_id', None)
 
 
 class ExtendedServerBlobAuditingPolicy(ProxyResource):
diff --git a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models_py3.py b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models_py3.py
index 881fe9469108..d5ff5c616784 100644
--- a/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models_py3.py
+++ b/sdk/synapse/azure-mgmt-synapse/azure/mgmt/synapse/models/_models_py3.py
@@ -2445,6 +2445,9 @@ class EventHubDataConnection(DataConnection):
     :ivar provisioning_state: The provisioned state of the resource. Possible values include:
      "Running", "Creating", "Deleting", "Succeeded", "Failed", "Moving", "Canceled".
     :vartype provisioning_state: str or ~azure.mgmt.synapse.models.ResourceProvisioningState
+    :param managed_identity_resource_id: The resource ID of a managed identity (system or user
+     assigned) to be used to authenticate with event hub.
+    :type managed_identity_resource_id: str
     """
 
     _validation = {
@@ -2471,6 +2474,7 @@ class EventHubDataConnection(DataConnection):
         'event_system_properties': {'key': 'properties.eventSystemProperties', 'type': '[str]'},
         'compression': {'key': 'properties.compression', 'type': 'str'},
         'provisioning_state': {'key': 'properties.provisioningState', 'type': 'str'},
+        'managed_identity_resource_id': {'key': 'properties.managedIdentityResourceId', 'type': 'str'},
     }
 
     def __init__(
@@ -2484,6 +2488,7 @@ def __init__(
         data_format: Optional[Union[str, "EventHubDataFormat"]] = None,
         event_system_properties: Optional[List[str]] = None,
         compression: Optional[Union[str, "Compression"]] = None,
+        managed_identity_resource_id: Optional[str] = None,
         **kwargs
     ):
         super(EventHubDataConnection, self).__init__(location=location, **kwargs)
@@ -2496,6 +2501,7 @@ def __init__(
         self.event_system_properties = event_system_properties
         self.compression = compression
         self.provisioning_state = None
+        self.managed_identity_resource_id = managed_identity_resource_id
 
 
 class ExtendedServerBlobAuditingPolicy(ProxyResource):