Additional categories to Event Category field + adding field to the Event Pop Up form and Com list

[NCP]

Please check the reference:

You can't set 'Options' for field Entry Type

Hi @msiam, If the default doctype and you add the option in the default field using Customize Form then this type of issue is faced. If you want to add more options then please use property setter. Reference for please check the post. If custom doctype then you can easily add the option via doctype. i think you know. I hope this helps. Thank You!