> For the complete documentation index, see [llms.txt](https://norbertrostaing.gitbook.io/blinderkitten/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://norbertrostaing.gitbook.io/blinderkitten/object-types/mappers.md).

# Mappers

Mappers listen a value in selected fixtures and changes other channel in relation

Each mapper chan have multiple "rows".

Each rows have three main informations : 

* what parameter is listened
* the selection of fixtures where the mapper is applied
* some key values used for channels interpolations