Month function is not recognized in custom column expression

I've been trying to use the month function to get the month from a date column, but the function is not recognized in the custom column field. Is the function buggy, or am I misusing it?

Hi @jean
These are the functions available in Custom Expressions:
You are asking for functionality which is currently not available, but being worked on: - upvote by clicking :+1: on the first post

thanks. i could've sworn i saw the month function in the list of available expressions but I can't find it anymore, my bad