nonEditableAliases property
Read-only.
The list of the group's non-editable alias email addresses that are outside of the account's primary domain or subdomains. These are functioning email addresses used by the group. This is a read-only property returned in the API's response for a group. If edited in a group's POST or PUT request, the edit is ignored.
Implementation
core.List<core.String>? nonEditableAliases;