dryRun

Whether to PreCheck only this request. Value:-true: The check request is sent without creating an IPv4 Gateway. Check items include whether required parameters, request format, and business restrictions are filled in. If the check does not pass, the corresponding error is returned. If the check passes, the error code 'DryRunOperation' is returned '.-false (default): Sends a normal request, returns an HTTP 2xx status code and directly creates an IPv4 Gateway.