https://doc.znuny.org/znuny/agentinterface/ticketviews/agentticketfreetext/index.html
Change Metadata (FreeText) — Znuny documentation
Update Znuny ticket metadata and dynamic fields in one dialog — correct the title, add a purchase-order number or reassign a queue from the Free Fields screen.
changemetadatafreetextznunydocumentation