def extension_properties(self) -> ExtensionPropertiesRequestBuilder:
        """
        Provides operations to manage the extensionProperties property of the microsoft.graph.application entity.
        """
        from .extension_properties.extension_properties_request_builder import ExtensionPropertiesRequestBuilder

        return ExtensionPropertiesRequestBuilder(self.request_adapter, self.path_parameters)

        Provides operations to manage the extensionProperties property of the microsoft.graph.application entity.
        
msgraph/generated/applications/item/application_item_request_builder.py