documentation
noun /ˌdɒkjumenˈteɪʃn/
  /ˌdɑːkjumenˈteɪʃn/
[uncountable]- the documents that are required for something, or that give evidence or proof of something
- I couldn't enter the country because I didn't have all the necessary documentation.
 
Extra Examples- Please enclose any supporting documentation.
 - We send comprehensive travel documentation, including tickets, hotel vouchers and a detailed itinerary.
 
 - written instructions for using a product, especially a computer program or equipment
- Each product is fully supported with user documentation.
 - If the technical documentation is inadequate, your system is not a quality product.
 
 - the act of recording something in a document; the state of being recorded in a document
- the documentation of an agreement