Values.PrincipalSourceThe IAM principal that you allowing or denying access to an Amazon Lex action. You must provide a service or an arn, but not both in the same statement. For more information, see AWS JSON policy elements: Principal .
type nonrec t = {service : ServicePrincipal.t option;The name of the Amazon Web Services service that should allowed or denied access to an Amazon Lex action.
*)arn : PrincipalArn.t option;The Amazon Resource Name (ARN) of the principal.
*)}