CmdID

CmdID / PowerShell / Cmdlets / Add

Add-TeamChannelUser

Adds an owner or member to the private channel. Microsoft Teams PowerShell reference

From the Microsoft Teams PowerShell reference 5 parameters Its page in the reference

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Parameters

5 in the Microsoft Teams PowerShell reference
-DisplayNameDisplay name of the private channel
-GroupIdGroupId of the parent team
-RoleOwner
-TenantIdTenantId of the external user
-UserUser's UPN (user principal name - e.g.