Developers' Guide > Using Data Interface > FAQs

How To

This section describes the programming essentials and key concepts, as well as code examples, for developing add-ons.

Click on any topic given below to learn more:

Add Custom Button on Transaction Complete Screen	Assign System Security Rights for Custom Screen
Call Web Services Through Add-On	Create an Excel File
Create UDT and Handle UDT Data	Handle Current Transaction Context
Handle iVend Objects	Handle Payment in Current Transaction
Handle UDF Data via APIs	Import/Export User-Defined Table Data
Rename Transaction Grid Column	Write a File