https://learn.microsoft.com/en-us/powershell/module/microsoft.graph.beta.teams/get-mgbetateamchannelmember?view=graph-powershell-beta
Get-MgBetaTeamChannelMember (Microsoft.Graph.Beta.Teams) | Microsoft Learn
Retrieve a single conversationMember (direct or indirect) from the allMembers collection using the membership ID. This API provides access to the following...
microsoft graphgetbetateamslearn