I am attempting to configure a CAN message object .I have LM3S2965 eve kit

I want to use one message object for multi ID's(receive).

I tried setting as follows.

code

 set object 1
    g_MsgObjectButton.ulMsgID =0x80;
    g_MsgObjectButton.ulMsgIDMask = 0;
    g_MsgObjectButton.ulFlags = MSG_OBJ_RX_INT_ENABLE;
    g_MsgObjectButton.ulMsgLen = 2;
    g_MsgObjectButton.pucMsgData = g_pucButtonMsg;

    CANMessageSet(CAN0_BASE, 1, &g_MsgObjectButton,
                  MSG_OBJ_TYPE_RX);

 set object 2
    g_MsgObjectButton.ulMsgID = 0x100;
    g_MsgObjectButton.ulMsgIDMask = 0;
    g_MsgObjectButton.ulFlags = MSG_OBJ_RX_INT_ENABLE;
    g_MsgObjectButton.ulMsgLen = 0;
    g_MsgObjectButton.pucMsgData = 0;

    CANMessageSet(CAN0_BASE, 1, &g_MsgObjectButton,
                  MSG_OBJ_TYPE_RX);

but, this method is applied only the object2.

Multi ID's can not be set to one obuject ?

 I do not understand setting.