Add Grouos to Enterprise Application using Azure CLI or Powershell

Hi Team,

I would like to know how to add AD Groups to enterprise Application using Azure CLI or powershell?

I tried following the ms docs but getting an error ad group doesn't exist .But AD groups is already there .
https://github.com/MicrosoftDocs/azure-docs/blob/master/articles/active-directory/manage-apps/assign-user-or-group-access-portal.md