Required precision landing: MAV_CMD_NAV_LAND

Hi,
I trying for Required precising landing as mentioned in https://docs.px4.io/master/en/advanced_features/precland.html#mission using ir-lock sensor and beacon.
I am unable to find MAV_CMD_NAV_LAND in QGC to set param2 value = 2. Please help me out with this issue.
Thanks in advance @DevTeam