CmdID / PowerShell / Cmdlets / Start
Start-ComplianceSearch
Use the Start-ComplianceSearch cmdlet to start stopped, completed or not started compliance searches in Exchange Server 2016 or later and in the Microsoft Purview compliance portal. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the compliance search that you want to start.-Confirm, -cfThe Confirm switch specifies whether to show or hide the confirmation prompt.-ForceThe Force switch hides warning or confirmation messages.-RetryOnErrorThe RetryOnError switch specifies whether to retry the search on any items that failed without re-running the entire search all over again.-WhatIf, -wiThe WhatIf switch doesn't work in Security & Compliance PowerShell.