Alert group members by e-mail when a request is left unpicked in a group.

Alert group members by e-mail when a request is left unpicked in a group.

I checked notification rule :  Alert group members by e-mail when a request is left unpicked in a group. and config notify after 0 days 0 hours 0 minutes , but after 6 minutes SDP the members of the group  received an email. Can you explain why ?

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