Print SAP Smartform from SAPUI5 application

Hi Experts,

Am working on a custom SAPUI5/OData application, here i have a requirement where, a user action calls a Update Entityset in gateway system.

In turn the Update will call a RFC FM in back end.

My requirement is now to trigger a Print Smart form action which i implemented and got working.

But now the problem is for Printing in SAP, we need a active GUI session (for Front-end printing with parameter - F).

How can i achieve this because i cant have a Active GUI session in my case, because the Print request in coming from SAPUI5 application.

Thanks in Advance.