# WBT_USER_ID_LEN

## Definition

  `#include <nitro/wbt.h>`
  `#define WBT_USER_ID_LEN 32`

## Description

This is the maximum size of the user-defined information that can be assigned to blocks registered using the `WBT_RegisterBlock` function. The other parties can get this detailed information on their side with the `WBT_GetBlockInfo` function.

## See Also

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## Revision History

2004/09/21 Initial version.

CONFIDENTIAL