CmdID / PowerShell / Cmdlets / Get
Get-MailboxSearch
Use the Get-MailboxSearch cmdlet to view mailbox searches that are in progress, complete or stopped. Exchange PowerShell reference
From the Exchange PowerShell reference 5 parameters Its page in the reference
Parameters
-IdentityThe Identity parameter specifies the name of the search query.-InPlaceHoldIdentityThe InPlaceHoldIdentity parameter specifies the GUID of an In-Place Hold.-DomainControllerThe DomainController parameter specifies the domain controller that's used by this cmdlet to read data from or write data to Active Directory.-ResultSizeThe ResultSize parameter specifies the maximum number of results to return.-ShowDeletionInProgressSearchesThis parameter is reserved for internal Microsoft use.