When we use API to update the ticket fields, we cannot update the fields when the fields are dropdown menu (selected from a list of pre-defined values)
If the field is free text, then we can use the API to update the value.
May I check if this is intended? is it possible to update the ticket fields using API if they are dropdown menu?
When trying to update a custom dropdown ticket field value, your request body should look similar to this:
Hope this helps!
Erica