The Data Flow documentation states that a success message is shown when a new entry is created.
The async_create_entry function takes, among other things, the description and description_placeholders properties but I haven’t been able to find a way to customise that success message, it’s always ‘Created configuration for {title}’.
I’m assuming there must be an appropriate section of en.json that I can include, given the existence of description_placeholders in the call?
And I haven’t been able to work out exactly what description does, either!