If
If
creates the first step of a condition. For the condition, you can use a pre-made variable or an expression.

Parameters are:
Variable: lists all variables (you must use a variable or an expression);
Expression: formula/code that needs to be compared (you must use a variable or an expression);
Operator: lists all available operators for the condition;
Comparison: formula/code that to be compared against the variable/expression above;
(optional) Enable second condition: if checked, the second condition below will be checked also;
(optional) AND/OR: operator for the second condition;
(optional) Variable: lists all variables (you must use a variable or an expression);
(optional) Expression: formula/code that needs to be compared (you must use a variable or an expression);
(optional) Operator: lists all available operators for the condition;
(optional) Comparison: formula/code that to be compared against the variable/expression above;