# WMSetMPParameterCallback

## Definitions

  `#include <nitro/wm.h>`

      typedef struct WMSetMPParameterCallback
      {
          u16       apiid;
          u16       errcode;
          u32       mask
          WMMPParam oldParam;

      } WMSetMPParameterCallback;

## Elements

apiid | This is the ID of the API that acts as the source for the callback generation. It is synonymous to the `WMApiid` enumerated type. Here, it is fixed as `WM_APIID_SET_MP_PARAMETER`.
errcode | This is the result of the asynchronous process. It is synonymous to the `WMErrCode` enumerated type.
mask | Represents the mask value set during current execution.
oldParam | Represents parameters used for MP communications before the current setting.

## Description

This structure is passed to the callback function for `WM_SetMPParameter`.

## Revision History

11/24/2005 Initial version.

CONFIDENTIAL