'Concatenate two properties inline in select-object

I have an object array like

{
  Id: 1,
  Name: Name1,
  Users: 
  [
     {
       Identifier: [email protected],
       AccessRight: Admin
     },
     {
       Identifier: [email protected],
       AccessRight: Member
     }
  ]
},
{
  Id: 2,
  Name: Name2,
  Users: 
  [
     {
       Identifier: [email protected],
       AccessRight: Admin
     }
  ]
}

I want to produce the following csv output

Id Name Users
1 Name1 [email protected];Admin,[email protected];Member
2 Name2 [email protected];Admin

I'm failing on concatenating the Users...

$users | Select Id, Name, @{Name="Users";Expression={ $_.Users.Identifier -join "," }} 

produces:

How can I concatenate the Identifier + AccessRight with semicolon part before joining with commas?



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