Make Reason field mandatory only when submitted for approval by clicking on Request approval button.

[Admin7267]

Make Reason field[Choice] mandatory only when submitted for approval by clicking on Request approval button in Change Request.

[SLK Gupta]

Hi @Admin7267 

You can use an on submit client script for this @Admin7267 

if my response helps you in fulfilling your requirement, please mark my answer as helpful or accepted solution @Admin7267 .

Thanks & regards,

S. Lakshmikanth Gupta.

[Dr Atul G- LNG]

Hi @Admin7267 

You need to add the validation in UI action.

Few examples

https://www.servicenow.com/community/developer-forum/how-to-make-fields-mandatory-in-ui-action/m-p/1...

https://www.servicenow.com/community/now-platform-forum/ui-action-mandatory-field/m-p/1261408