CmdID

CmdID / PowerShell / Cmdlets / Get

Get-ServicePrincipal

Use the Get-ServicePrincipal cmdlet to view information about service principals in your cloud-based organization. Exchange PowerShell reference

From the Exchange PowerShell reference 2 parameters Its page in the reference

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Parameters

2 in the Exchange PowerShell reference
-IdentityThe Identity parameter specifies the service principal that you want to view.
-OrganizationThis parameter is reserved for internal Microsoft use.