DBI for the fast formula to get element entry at the time we are adding the OT hours entry at ICP

Hi Team,

we have one Element Input Validation type fast formula in place for restricting Overtime hours to some maximum time (36 hours monthly).
So while testing we have found one issue that while adding element entry at the manage contribution level under Individual compensation, the formula was not able to restrict the entry or giving message that 'hours exceeded'. Only while submitting a whole single transaction(consists of multiple element entries) we are having feasibility for restricting the OT hours.
So, we are searching for any DBI which gives us element entry value (number of hours) at the time when we are adding the element entry to the transaction. we checked but are unable to get it from any DBI at the fast formula level so that our requirement get fulfill and we can get that data.