Field Validators are not working when updating from Postman tool

Summary:

We have Field Validators and it should work based on roles. When updating Business Object from Postman tool it is not checking the roles and updating the column values.

Content (required):

def roleName1 = '****';

if (adf.context.getSecurityContext()?.isUserInRole(roleName1) )

{

 return false

 }

 else

 {

  return true

 }

Version (include the version you are using, if applicable):

Version: 21.10.1

Build Number: 6a7e4acc8b4e0a5aedcf8ff552506ca3367fb88d (2021-09-07 20:01:20)

Code Snippet (add any code snippets that support your topic, if applicable):