create knowledge feedback only when comments are filled

[vivek11]

OOB,  after clicking no thanks in portal, it is still capturing the rating and the comment is empty. 
I want create knowledge feedback only when comments are filled.

[Tanushree Maiti]

Hi @vivek11 

Check these 2 posts:

https://www.servicenow.com/community/employee-center-forum/how-to-make-comments-mandatory-for-knowle...

https://www.servicenow.com/community/developer-forum/to-make-knowledge-feedback-comment-mandatory-in...