add_interest - Add specified country tag to your interest.This list start with the code to enter into the command console & the cheat description behind it… Note: Capitalization is important for the codes you want to type out. Then type the cheat code on-screen and press the Enter key to activate it.
After that you can lookup below what cheats there are & what their codes to enter are. To activate all Hearts of Iron 4 cheats, during gameplay you should press on the ~ (that symbol is a tilde) key to bring up the command console.