CmdID

CmdID / PowerShell / Cmdlets / Update

Update-MpSignature

Updates the antimalware definitions on a computer. Windows Server PowerShell reference

From the Windows Server PowerShell reference 4 parameters Its page in the reference

Opens CmdID with your command, read as PowerShell. It is read in your browser and sent nowhere.

Parameters

4 in the Windows Server PowerShell reference
-AsJobRuns the cmdlet as a background job.
-CimSession, -SessionRuns the cmdlet in a remote session or on a remote computer.
-ThrottleLimitSpecifies the maximum number of concurrent operations that can be established to run the cmdlet.
-UpdateSourceSpecifies an update source.