> For the complete documentation index, see [llms.txt](https://ed.sunbird.org/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://ed.sunbird.org/older-versions/use/learn-more/specifications/sofie.md).

# SOFIE

### Specification for Open Feature Integration and Extensions (SOFIE)

Intent of this specification is to integrate with external apps for feature extension (OR) feature integration of Sunbird Application. Every feature extension or integration is performed on pre-configured actions within the sunbird app.

Following diagram represents the workflow of a 3rd party or custom extensions app registering and interacting with the sunbird app.

![](https://raw.githubusercontent.com/sunbird-specs/SOFIE/main/attachments/2016411649/2164949010.png)

Sunbird Third Party Integration

![](https://raw.githubusercontent.com/sunbird-specs/SOFIE/main/attachments/2016411649/2165604363.png)


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