using Composition Functions may extra auto-require function at end of pipeline

### URL
[](https://docs.crossplane.io/latest/concepts/composition-functions/#test-a-composition-that-uses-functions)

### What's Wrong?
When using composition functions in a composition there may be a need to end the pipeline with the extra auto-readiness function
https://marketplace.upbound.io/functions/crossplane-contrib/function-auto-ready/v0.2.1

This seems to be the case when using a custom function to add resources.

For instance I wrote a python function that adds resources but could not reach complete even though it added a number of composite resources as resources that reached ready in my composition.

There is no explanation anywhere as to why that is the case or what could be done to remedy it.

adding a blurb that this is possible when using functions