AddUserId Method
Adds the specified user Id to the current key.
Syntax
async keymgr.addUserId(userId : string): Promise<void>
Remarks
The key's passphrase is required for this operation and may be specified via KeyPassphrase or through the KeyPassphrase event.
The UserId format is:
FirstName LastName (Comment) <Email>Not all values are required when selecting or generating a key, but at least FirstName or Email are required.