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

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