# Purging Material Assests - mainly the appearance group

**URL:** <https://forum.dynamobim.com/t/purging-material-assests-mainly-the-appearance-group/9362>\
**Category:** Revit\
**Tags:** archi-lab\
**Created:** [February 3, 2017, 7:54pm UTC](https://forum.dynamobim.com/t/purging-material-assests-mainly-the-appearance-group/9362 "2017-02-03T19:54:33Z")\
**Posts on this page:** 1\
**Showing post:** 2

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**Author:** ![Kulkul](https://sea2.discourse-cdn.com/flex022/user_avatar/forum.dynamobim.com/kulkul/32/49801_2.png) [@Kulkul](https://forum.dynamobim.com/u/Kulkul)\
**Post date:** [February 3, 2017, 8:14pm UTC](https://forum.dynamobim.com/t/purging-material-assests-mainly-the-appearance-group/9362/2 "2017-02-03T20:14:40Z")

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Hi @tlivingston

There is a custom node from archi-lab package called “Material.MaterialAssestElement” will get you started.  
 ![](https://cdck-file-uploads-us1.s3.dualstack.us-west-2.amazonaws.com/flex022/uploads/dynamobim/original/3X/8/4/8487939b83aedc70d85d175bea64ff1c9cd62772.jpg)

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