def activity_trigger()

in azure/durable_functions/decorators/durable_app.py [0:0]


    def activity_trigger(self, input_name: str,
                         activity: Optional[str] = None):
        """Register an Activity Function.

        Parameters
        ----------
        input_name: str
            Parameter name of the Activity input.
        activity: Optional[str]
            Name of Activity Function.
            The value is None by default, in which case the name of the method is used.
        """
        @self._configure_function_builder
        def wrap(fb):
            def decorator():
                fb.add_trigger(
                    trigger=ActivityTrigger(name=input_name,
                                            activity=activity))
                return fb

            return decorator()

        return wrap