# Stop Node from performing anything(under conditions)

**URL:** <https://forum.dynamobim.com/t/stop-node-from-performing-anything-under-conditions/72732>\
**Category:** Uncategorized\
**Tags:** dynamo\
**Created:** [January 28, 2022, 5:34am UTC](https://forum.dynamobim.com/t/stop-node-from-performing-anything-under-conditions/72732 "2022-01-28T05:34:21Z")\
**Posts on this page:** 3\
**Page:** 1

<div class="post-metadata">

**Author:** ![Sujan](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/sujan/32/102184_2.png) [@Sujan](https://forum.dynamobim.com/u/Sujan)\
**Post date:** [January 28, 2022, 5:34am UTC](https://forum.dynamobim.com/t/stop-node-from-performing-anything-under-conditions/72732/1 "2022-01-28T05:34:21Z")

</div>

Hi,

When trying to create a script is there any certain way to completely stop some nodes from doing anything? My intention is to get an error-free script from Dynamo Player.  
In the example below I’m trying to stop the Copy Node by sending a “null” value, but it still runs and throws an error. I have a similar problem with other nodes as well.

 ![image](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/2/a/2a174e7931377185cc74272676df3492e5ef1284.png)

---

<div class="post-metadata">

**Author:** ![sovitek](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/sovitek/32/116237_2.png) [@sovitek](https://forum.dynamobim.com/u/sovitek)\
**Post date:** [January 28, 2022, 7:14am UTC](https://forum.dynamobim.com/t/stop-node-from-performing-anything-under-conditions/72732/2 "2022-01-28T07:14:55Z")

</div>

You could try something…

 ![Screenshot 2022-01-14 121817](https://us1.discourse-cdn.com/flex022/uploads/dynamobim/original/3X/6/e/6e93771324307dbd3a5e76325d48b35a87d305e0.jpeg)

---

<div class="post-metadata">

**Author:** ![Michael\_Kirschner2](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/michael_kirschner2/32/75576_2.png) [@Michael\_Kirschner2](https://forum.dynamobim.com/u/Michael_Kirschner2)\
**Post date:** [January 28, 2022, 9:21pm UTC](https://forum.dynamobim.com/t/stop-node-from-performing-anything-under-conditions/72732/3 "2022-01-28T21:21:14Z")

</div>

scopeIf - but the inputs should not have any common ancestors in the graph.