Automatically populating information into a TASK that is generated by a form within the Service Catalog

Automatically populating information into a TASK that is generated by a form within the Service Catalog

As the title suggests, I need to find a way to automatically enter some information into a task that was generated from a from in the Service Catalog.
 
Primarily, the ticket ID.
 
I tied using the form of ##$RequestId## but this epically failed.
 
I need this, as sometimes a ticket may need to be dealt with by people in the other IT groups other than the helpdesk.
 
Thanks in advance for your assistance.
 

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