entityId

The identifier of the user or resource associated with the mailbox.

The identifier can accept UserId or ResourceId, Username or Resourcename, or email. The following identity formats are available:

• Entity ID: 12345678-1234-1234-1234-123456789012, r-0123456789a0123456789b0123456789 , or S-1-1-12-1234567890-123456789-123456789-1234

• Email address: entity@domain.tld

• Entity name: entity