# Question about Interface Request in OPCUA driver program

**URL:** <https://forum.inductiveautomation.com/t/question-about-interface-request-in-opcua-driver-program/3682>\
**Category:** Module Development\
**Created:** [December 1, 2011, 8:20am UTC](https://forum.inductiveautomation.com/t/question-about-interface-request-in-opcua-driver-program/3682 "2011-12-01T08:20:34Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![wengzijue](https://avatars.discourse-cdn.com/v4/letter/w/ee59a6/32.png) [@wengzijue](https://forum.inductiveautomation.com/u/wengzijue)\
**Post date:** [December 1, 2011, 8:20am UTC](https://forum.inductiveautomation.com/t/question-about-interface-request-in-opcua-driver-program/3682/1 "2011-12-01T08:20:34Z")

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if I want to realize the fuction :“sendMessage” and “receiveMessage” of Interface “Request” in OPCUA driver programing ,I must use the AbstractNioDriver which send and receive data by TCPIP,is it true?