How do I write the code in the PostCharge function trigger so that the function does the following

Komosh

1. For each record in the Seminar Charge table that corresponds
with the Seminar Registration Header, the function sets the
JobLedgEntryNo to the result of the PostJobJnlLine function
(run with a parameter of 1) and runs the PostSeminarJnlLine
function (with a parameter of 3).
2. Sets the JobLedgEntryNo to 0.