typedef enum {
    MPIMotionAttrINVALID,

    MPIMotionAttrAPPEND,
    MPIMotionAttrAUTO_START,
    MPIMotionAttrDELAY,
    MPIMotionAttrMaskID,
    MPIMotionAttrELEMENT_ID,
    MPIMotionAttrRELATIVE,
    MPIMotionAttrSYNC_END,
    MPIMotionAttrSYNC_START,
    MPIMotionAttrCOUNT,
} MPIMotionAttr;

typedef enum {

    MEIMotionAttrEVENT,
    MEIMotionAttrFINAL_VEL,
    MEIMotionAttrNO_REVERSAL,
    MEIMotionAttrHOLD,
    MEIMotionAttrOUTPUT,

    MEIMotionAttrCOUNT,
} MEIMotionAttr;

The motion attributes are used to generate the motion attribute masks to enable features with mpiMotionStart(.) and mpiMotionModify(.). Please see MPIMotionAttrMask for more information.