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

# PostPurchaseFlowDiagnostic

> A problem in a post-purchase flow.

**blocks** `[PostPurchaseFlowDiagnosticBlocks!](/docs/api-reference/v3/reference/checkout/post-purchase-flow-diagnostic-blocks)` *required*

What it stops.

**code** `String!` *required*

A stable code.

**message** `String!` *required*

What is wrong.

**stepId** `String`

The step it is on; null for the flow as a whole.


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