Version 3.1.1
matplotlib
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matplotlib.axis.YAxis.add_callback

YAxis.add_callback(self, func)

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

Parameters:
func : callable

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:
oid : 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