**To accept an invitation to become a GuardDuty member account in the current region** The following ``accept-invitation`` example shows how to accept an invitation to become a GuardDuty member account in the current region. :: aws guardduty accept-invitation \ --detector-id 12abc34d567e8fa901bc2d34eexample \ --master-id 123456789111 \ --invitation-id d6b94fb03a66ff665f7db8764example This command produces no output. For more information, see `Managing GuardDuty Accounts by Invitation `__ in the GuardDuty User Guide.