Custom payload return type

[MedNabilEssefaihi]

Dear There,

I am trying to return new type in publish payload but it doesn't return nothing

class Add_Todo():
 .....
 toDo.save()
 Subscription_Todo.broadcast(payload=toDo)

class Subscription_Todo(channels_graphql_ws.Subscription):

    data = graphene.Field(Type_TODO)

    @staticmethod
    def subscribe(root, info):
        pass

    @staticmethod
    def publish(payload, info):
        print(payload)
        return Subscription_Ticket(data =payload)