> ## 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.

# CardSessionFailed

> Reports that a card session could not be completed.

Sent when a card session fails. Commerce fails the payment automatically upon receiving this event.

`ce-type: CardSessionFailed`

## Payload

<ParamField body="reason" type="object">
  Details about the failure.

  <Expandable title="properties">
    <ParamField body="code" type="string">
      Machine-readable failure code.
    </ParamField>

    <ParamField body="message" type="string">
      Human-readable description of the failure.
    </ParamField>
  </Expandable>
</ParamField>