# Summary
[Introduction](README.md)
# Tutorials
- [Alien Cake Addict Refactor]()
# Explanation
- [Motivations](explanation/motivations.md)
- [Output and Effect Composition](explanation/output-and-effect-composition.md)
- [Return Types]()
# How-To Guides
- [Create a custom Effect]()
- [Spawn a Relationship Synchronously](how-to-guides/spawn-a-relationship-synchronously.md)
- [Spawn and Trigger an Observer](how-to-guides/spawn-and-trigger-an-observer.md)
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[API Reference](api-reference.md)
[Other Versions](other-versions.md)