This is the ASEAN Clubs Championship which is attended by league champions in ASEAN countries.
The tournament runs from July to August each year.
How to install the ASEAN Club Championship on FM221) Download the Data File.
2) Drag the file into your "Editor Data" folder. located at \Documents\Sports Interactive\Football Manager 2022\editor data. If this folder doesn't exist, create it.
3) Open Football Manager 2022 and start a new career, In the top right of the screen, under "Database", make sure this Data File is selected.