CmdID

CmdID / PowerShell / Cmdlets / Get

Get-ConnectionInformation

Use the Get-ConnectionInformation cmdlet to get information about all REST-based connections in the current PowerShell instance with Exchange Online. 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
-ConnectionIdThe ConnectionId parameter filters the connections by ConnectionId.
-ModulePrefixThe ModulePrefix parameter filters the connections by ModulePrefix.