Hi,
In order to make the Related List Mandatory i.e. checking if any record is present in the Related List or not we can make use of an Before Update Business Rule and Abort the Form Submission as required. Please follow the below steps:
1) For Example On the Incident Form, I have the Problem Related List and say based on certain condition you want to check whether the Problem Related List has Records attached or not whether a New one or an existing one then we can have the below script and make the Related List as a mandate one:
Script:
(function executeRule(current, previous /*null when async*/) {
// Add your code here
var prb = new GlideRecord("problem");
prb.addEncodedQuery("parent=" + current.sys_id);
prb.query();
if(!prb.next())
{
gs.addInfoMessage("Please link a Problem Record at the bottom Probem Tab");
action.setRedirectURL(current);
current.setAbortAction(true);
}
})(current, previous);
Result:
If the User tries to Update the Record without attaching the Problem Record it aborts the form submission with the Invalid Update Error as shown below:
Hope this helps.Mark the answer as correct/helpful based on impact.
Regards,
Shloke
