def by_extension_property_id(self,extension_property_id: str) -> ExtensionPropertyItemRequestBuilder:
        """
        Provides operations to manage the extensionProperties property of the microsoft.graph.application entity.
        param extension_property_id: The unique identifier of extensionProperty
        Returns: ExtensionPropertyItemRequestBuilder
        """
        if extension_property_id is None:
            raise TypeError("extension_property_id cannot be null.")
        from .item.extension_property_item_request_builder import ExtensionPropertyItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["extensionProperty%2Did"] = extension_property_id
        return ExtensionPropertyItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the extensionProperties property of the microsoft.graph.application entity.
        param extension_property_id: The unique identifier of extensionProperty
        Returns: ExtensionPropertyItemRequestBuilder
        
msgraph/generated/applications/item/extension_properties/extension_properties_request_builder.py