Not able to Get the absence Type id in oracle HCM Participation and Rate Eligibility Fast formula

I am trying to get the absence type and absence plan using context in the fast formula. But i am not able to get those information . Can someone through light to fetch the below information.

Formula Type : Participation and Rate Eligibility

L_PLAN_ID = GET_CONTEXT(PL_ID, -1)
L_PL_TYP_ID = GET_CONTEXT(PL_TYP_ID, -1)

Thanks

Kumar M.