> ## Documentation Index
> Fetch the complete documentation index at: https://developer.hellgate.io/llms.txt
> Use this file to discover all available pages before exploring further.

# StateChanged

> Signals a change in payment state.

Sent by Commerce when the state of a payment changes during flow execution.

`ce-type: StateChanged`

## Payload

<ParamField body="state" type="string" required>
  The new payment state.

  Allowed values: `accepted`, `authorized`, `completed`, `failed`
</ParamField>