Get-AzureADServiceAppRoleAssignment cannot get the existing User

[EdwardCKC]

I use azure runbook, Grant right: Access control

• User access administrator
• contributor -application administrator

Still cannot get the existing user by Get-AzureADServiceAppRoleAssignment which the $existingUsers is empty

But I run the script fully success on localhost by using Credential.

Am I missed any permission needed?

Get-AzureADuser,Get-AzureADServicePrincipal,Get-AzureADUser,New-AureADUserAppRoleAssignment: All work

Only Get-AzureADServiceAppRoleAssignment not work.