I think you may have posted this in the wrong section of the community. Looks like you want to post this in the LDMS section.
And to answer, no... The snooze time itself is set in the Reboot Agent Settings, but the options in the interface for the end-user are pre-defined.
@Andrew; Sorry i will pay attention now
@Frank: Thanks for your answer., I needed a conformation.
No need for an apology just didnt want your question going unnoticed in the wrong forum.
Really pleased you got this sorted out