---
description: |
  Packer is extensible, allowing you to write new provisioners without having to
  modify the core source code of Packer itself. Documentation for creating new
  provisioners is covered in the custom provisioners page of the Packer plugin
  section.
page_title: Custom - Provisioners
---

# Custom Provisioner

Packer is extensible, allowing you to write new provisioners without having to
modify the core source code of Packer itself. Documentation for creating new
provisioners is covered in the [custom
provisioners](/docs/extending/custom-provisioners) page of the Packer
plugin section.
