> For the complete documentation index, see [llms.txt](https://docs-en.dydu.ai/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs-en.dydu.ai/contents/knowledge/knowledge-types.md).

# Knowledge types

- [Answer to a question](https://docs-en.dydu.ai/contents/knowledge/knowledge-types/answer-to-a-question.md)
- [Complementary answer](https://docs-en.dydu.ai/contents/knowledge/knowledge-types/complementary-answer.md)
- [Predefined answer](https://docs-en.dydu.ai/contents/knowledge/knowledge-types/predefined-answer.md)
- [Event-triggered knowledge](https://docs-en.dydu.ai/contents/knowledge/knowledge-types/event-triggered-knowledge.md)
- [Slot filling](https://docs-en.dydu.ai/contents/knowledge/knowledge-types/slot-filling.md)