def by_teams_app_definition_id(self,teams_app_definition_id: str) -> TeamsAppDefinitionItemRequestBuilder:
        """
        Provides operations to manage the appDefinitions property of the microsoft.graph.teamsApp entity.
        param teams_app_definition_id: The unique identifier of teamsAppDefinition
        Returns: TeamsAppDefinitionItemRequestBuilder
        """
        if teams_app_definition_id is None:
            raise TypeError("teams_app_definition_id cannot be null.")
        from .item.teams_app_definition_item_request_builder import TeamsAppDefinitionItemRequestBuilder

        url_tpl_params = get_path_parameters(self.path_parameters)
        url_tpl_params["teamsAppDefinition%2Did"] = teams_app_definition_id
        return TeamsAppDefinitionItemRequestBuilder(self.request_adapter, url_tpl_params)

        Provides operations to manage the appDefinitions property of the microsoft.graph.teamsApp entity.
        param teams_app_definition_id: The unique identifier of teamsAppDefinition
        Returns: TeamsAppDefinitionItemRequestBuilder
        
msgraph/generated/app_catalogs/teams_apps/item/app_definitions/app_definitions_request_builder.py