addInvitationCode method
Invitation Code Generate Query Get
Implementation
$async.Future<AddInvitationCodeResp> addInvitationCode(
$pb.ClientContext? ctx, AddInvitationCodeReq request) =>
_client.invoke<AddInvitationCodeResp>(
ctx, 'admin', 'AddInvitationCode', request, AddInvitationCodeResp());