O365 Application Impersonation Role

Hi all,

I have set  application impersonation Role using Admin Centre 

I wanted to view if  the user is assigend to the role application impersonation using  powershell. 

I run this Powershell Get-ManagementRoleAssignment –Name:<impersonation Assignment Name> –Role:ApplicationImpersonation –User: "<account name>" but i am not getting a result

any help is appreciated