# new extension guide

**URL:** <https://discourse.slicer.org/t/new-extension-guide/18863>\
**Category:** Support\
**Created:** [July 21, 2021, 3:38pm UTC](https://discourse.slicer.org/t/new-extension-guide/18863 "2021-07-21T15:38:59Z")\
**Posts on this page:** 2\
**Page:** 1

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**Author:** ![shatz](https://avatars.discourse-cdn.com/v4/letter/s/c67d28/32.png) [@shatz](https://discourse.slicer.org/u/shatz)\
**Post date:** [July 21, 2021, 3:38pm UTC](https://discourse.slicer.org/t/new-extension-guide/18863/1 "2021-07-21T15:38:59Z")

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Is there any easy guide out there for a python dev to begin work on a new extension idea? Im very new to this slicer stuff and would like to make a new one.

I would like a very basic template that I can start with, I will be using numpy. Using slicer 4.11

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**Author:** ![pieper](https://sea2.discourse-cdn.com/flex002/user_avatar/discourse.slicer.org/pieper/32/8_2.png) [@pieper](https://discourse.slicer.org/u/pieper)\
**Post date:** [July 21, 2021, 3:58pm UTC](https://discourse.slicer.org/t/new-extension-guide/18863/2 "2021-07-21T15:58:24Z")

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[https://www.slicer.org/wiki/Documentation/4.10/Training#Tutorials\_for\_software\_developers](https://www.slicer.org/wiki/Documentation/4.10/Training#Tutorials_for_software_developers)