$addVar[name;amount;id?]
Adds a number to a saved number. Use a minus amount to take some away.
Values
name- The name of a variable from the Variables page.
id- Optional. A user mention or ID, or a server ID, to use their value instead of your own.
Example
$addVar[coins;50]You got 50 coins and have $getVar[coins] now.You got 50 coins and have 50 now.