Erasmus+ Youth offers the Youthpass as a tool for self-accessment, reflection and recognition of learning results.
You can find more details under these links:
https://www.youthpass.eu/downloads/13-62-64/Youthpass%20Guide%2018-10-2011.pdf
https://www.salto-youth.net/downloads/4-17-1949/YouthpassForAll.pdf
http://www.salto-youth.net/download/2636/YP+Unfolded+complete.pdf