Add If Symbol

Follow the below steps to add the If symbol to the flowchart. The if symbol is added to make a decision. 

Right-click on the control line and choose the diamond shape If symbol under:

Statement >> Control >> If

This will add the If shape to the flowchart. You can add the If symbol when making the decision and alter the default control flow. Based on the decision, you can selectively execute the flowchart. 

Add Conditional Expression

The conditional expression is a boolean expression evaluated as True or False. To add the expression, double-click on the diamond if symbol. Specify the expression in the If properties box.