# What is the return value of MessageReceiver#receiveCall

**URL:** <https://forum.inductiveautomation.com/t/what-is-the-return-value-of-messagereceiver-receivecall/4654>\
**Category:** Module Development\
**Created:** [June 18, 2012, 5:55pm UTC](https://forum.inductiveautomation.com/t/what-is-the-return-value-of-messagereceiver-receivecall/4654 "2012-06-18T17:55:18Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![chi](https://avatars.discourse-cdn.com/v4/letter/c/0ea827/32.png) [@chi](https://forum.inductiveautomation.com/u/chi)\
**Post date:** [June 18, 2012, 5:55pm UTC](https://forum.inductiveautomation.com/t/what-is-the-return-value-of-messagereceiver-receivecall/4654/1 "2012-06-18T17:55:18Z")

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Just a simple (i hope) question this time:  
MessageReceiver#receiveCall must return a Serializable, but i can’t find anything in the Javadocs about what to return here.

Sorry, just found the answer in the docs for ExecuteCall…