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Executing code based on a condition can be performed using if and if / else statements.

If Statement Syntax (VarCode = a StudyTRAX Variable's Code)

if (#VarCode1 == 0) {
   #VarCode2 = 1;
   Other statements here...
}

If - Else Statement Syntax (VarCode = a StudyTRAX Variable's Code)

if (#VarCode1 == 0) {
   #VarCode2 = 1;
} else if (#VarCode1 == 1) {
   #VarCode2 = 2;
} else if (#VarCode1 == 2) {
   #VarCode2 = 3;
} else {
   #VarCode2 = 0;
}

Functions are defined on the Dependencies tab (see image). The standard way to set up functions is:

1. In the Expressions box type the text "main()"
2. In the User Defined Functions box type the text "function main()" and then type out the function
3. Don't include the quotes from the text main() and function main() above