How can i use get_categories inside transition_post_status action?

[yarovikov]

Hi all.

I use wp 5.2.4.

I send email when new post.
How can i get cat_ID inside transition_post_status action?
This not work with gutenberg. With classic editor is ok.
How can this problem be solved?

Thanks.

[enriquesanchez]

I'm closing this issue because there has been no activity for a while. Please feel free to reopen if necessary.

For help with Gutenberg, you can also ask in the Gutenberg support forums.