Locate an EL Expression Value for inputComboboxListOfValues

Summary:

Locate an EL Expression Value for inputComboboxListOfValues

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Hi ,

We have a requirement to write EL expression to make one field mandatory if the invoice line PO number has no values. Invoice Line PO number is an inputComboboxListOfValues. Please help us in identifying the EL expression for the field .

The header text for the field is bindings.InvoiceLine11.hints.LinePoNumber.label

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