CmdID

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Undo-SoftDeletedUnifiedGroup

Use the Undo-SoftDeletedUnifiedGroup cmdlet to restore soft-deleted Microsoft 365 Groups in your cloud-based organization. Exchange PowerShell reference

From the Exchange PowerShell reference 3 parameters Its page in the reference

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Parameters

3 in the Exchange PowerShell reference
-SoftDeletedObjectThe SoftDeletedObject parameter specifies the soft-deleted Microsoft 365 Group that you want to restore.
-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.
-WhatIf, -wiThe WhatIf switch shows what the command does without making any changes.