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sequencedcollection Method firstIndexOf

Return the index of the first occurrence of anElement between the index positions fromIndex and toIndex. If anElement does not occur between these indices, then return zero.

Using Parameters
anelement GROUP
fromindex PIC 9(9) COMP-5
toindex PIC S9(9) COMP-5
Returning Parameter
anindex PIC S9(9) COMP-5