Population HR Case -opened for User name to Short description of HR Task

[Bhavani3]

I have a requirement include Opened for user name in Hr Task form short description field 

i created business rule but not working as expected .can somebody help me on this to sort out ?

Advance Thanks

Here below short description field  have to append Opened for user name

[Bhavani3]

Hi Sandeep 

I need in HR Task short description field,i created BR for table HR Task and condtion-Before-insert,update i have givend

Below the code added

var hrCase = current.parent;

         if (hrCase) {

             // Fetch the HR Case record

             var hrCaseRecord = new GlideRecord('sn_hr_core_case');

             if (hrCaseRecord.get(hrCase)) {

                 // Get the "opened for" user's name

                 var userName = hrCaseRecord.opened_for.getDisplayValue();

                 // Combine HR Case short description and user name into HR Task short description

                 current.short_description = hrCaseRecord.short_description + ' - Opened for ' + userName;

                 }

}

above you mentioned code also tried but not working

[JulianLemcke]

Could you not script it within the Template? I've seen that you are using a template. You can script in the templates with "Javascript: {Your server-side script}"