# How does the Complete node work?

**URL:** <https://discourse.nodered.org/t/how-does-the-complete-node-work/64733>\
**Category:** General\
**Created:** [5 July 2022 16:39 UTC](https://discourse.nodered.org/t/how-does-the-complete-node-work/64733 "2022-07-05T16:39:29Z")\
**Posts on this page:** 1\
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**Author:** ![Steve-Mcl](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/steve-mcl/32/4826_2.png) [@Steve-Mcl](https://discourse.nodered.org/u/Steve-Mcl)\
**Post date:** [5 July 2022 16:45 UTC](https://discourse.nodered.org/t/how-does-the-complete-node-work/64733/5 "2022-07-05T16:45:09Z")

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@phoddie if a node uses the `done` callback` then it supports the complete node.

See here: "JavaScript file : Node-RED" [JavaScript file : Node-RED](https://nodered.org/docs/creating-nodes/node-js#receiving-messages)

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