Add a callback function that will be called whenever one of the .Artist’s properties changes.

Parameters¶

funccallable

The callback function. It must have the signature:

def func(artist: Artist) -> Any

where artist is the calling .Artist. Return values may exist but are ignored.

Returns¶

int

The observer id associated with the callback. This id can be used for removing the callback with .remove_callback later.

See Also¶

remove_callback