# Cluster not updating automatically

**URL:** <https://discourse.mcneel.com/t/cluster-not-updating-automatically/32445>\
**Category:** Grasshopper\
**Created:** [May 13, 2016, 7:59pm UTC](https://discourse.mcneel.com/t/cluster-not-updating-automatically/32445 "2016-05-13T19:59:43Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![Willem](https://sea3.discourse-cdn.com/mcneel/user_avatar/discourse.mcneel.com/willem/32/554347_2.png) [@Willem](https://discourse.mcneel.com/u/Willem)\
**Post date:** [May 13, 2016, 7:59pm UTC](https://discourse.mcneel.com/t/cluster-not-updating-automatically/32445/1 "2016-05-13T19:59:43Z")

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Hi,

I made a cluster that included 2 input curves. Now if I edit either curve, the result of the cluster is not recalculated. Is that expected, and if so where can I read up on what clusyters are intended for.

Thanks  
-Willem