Renames a label.
The renameLabel() function returns a Promise
that resolves when the specified label's display name is changed.
Note:
Only visitors with
Manage Contacts permissions
can rename labels.
You can override the permissions by setting the suppressAuth option to true.
Label key.
key is generated when the label is created
and cannot be modified, even if displayName changes.
Label display name shown in the Dashboard.
Authorization options.