---
page_type: error
code: 13213
message: "13213: Dial: Invalid hangupOnStar value"
level: WARNING
---

## Warning - 13213

### Dial: Invalid hangupOnStar value

hangupOnStar must be "true" or "false". See the [Dial Verb](/docs/api/twiml/dial#hangupOnStar) API Reference for more information.