You can extend Structure add-on's functionality with your own add-on by using one of the available extension points. 

Structure plugin has a lot of extension points. More extensive documentation is coming with the future versions. It will cover the following topics:

  • Adding new item types, which can be used in a structure
  • Adding new generators, which can build dynamic structures (Inserters, Extenders, Filters, Groupers and Sorters)
  • Adding new attributes, displaying them in the Structure grid or using for sorting or grouping
  • Adding new structure templates
  • Adding new constraint function to S-JQL
  • Adding actions to Manage Structure page
  • Adding toolbar elements to the Structure Board

If you're interested in these topics but cannot find documentation or need help, please contact Structure Support and we'll provide advice.