| Name | Type | Description | Notes |
|---|---|---|---|
| state | \Bandwidth\Model\CallStateEnum | [optional] | |
| redirect_url | string | The URL to send the Redirect event to which will provide new BXML. Required if `state` is `active`. Not allowed if `state` is `completed`. | [optional] |
| redirect_method | \Bandwidth\Model\RedirectMethodEnum | [optional] | |
| username | string | Basic auth username. | [optional] |
| password | string | Basic auth password. | [optional] |
| redirect_fallback_url | string | A fallback url which, if provided, will be used to retry the redirect callback delivery in case `redirectUrl` fails to respond. | [optional] |
| redirect_fallback_method | \Bandwidth\Model\RedirectMethodEnum | [optional] | |
| fallback_username | string | Basic auth username. | [optional] |
| fallback_password | string | Basic auth password. | [optional] |
| tag | string | A custom string that will be sent with this and all future callbacks unless overwritten by a future `tag` attribute or `<Tag>` verb, or cleared. May be cleared by setting `tag=""`. Max length 4096 characters. Not allowed if `state` is `completed`. | [optional] |