Pasword protected gravity pdf in entries

Hi Support,

I have installed gravity form plugin and using Gravity Pdf add on for add pdf attachment in email. I have created password protected pdf. But issue is when we submit a form and going backend in gravity form and click on on entries and click on view pdf so it is opening . Why not asking password on entries . We want when i go in entries and click on view pdf so we want ask password on entries for pdf opening.
Please tell me how do this and reply fast.

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