Pass Private key dynamically for Private Key Account type for PGP Decrypt Snap

Hello Team,
i’m trying to pass Private key value for Private key account type dynamically.
i dont see option available to pass value as parameter or input schema while creating account.

key which i have to use for PGP decryption is present in some other location and i have to use that key for decryption purpose.

Hello Experts,

Any suggestions.