> For the complete documentation index, see [llms.txt](https://docs.verbdata.com/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.verbdata.com/data-transformations/building-transformations/transformation-steps.md).

# Transformation Steps

Transformation steps are used to manipulate and transform the input data. Every valid step must have an input and an output. Some steps may require more than one input and all steps can have multiple outputs.