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

# SalesInvoiceActionBlocker

> One reason why an action on a sales invoice cannot be done.



**Kind**: `object`

## Fields

**`code`**: `String!`

Stable machine-readable code of the reason in UPPER_SNAKE_CASE, for example SALES_INVOICE_NOT_DRAFT. New codes can be added; treat an unknown code as 'not allowed'.

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**`message`**: `String`

Human-readable explanation in the language of the request.