Implements a typical conditional statement. It allows you to follow your algorithm through executing one of the two branches depending on the expression value (true or false). If the value is true, then it will execute the 'Yes' branch, otherwise the 'No' branch will be executed.
Contains a boolean expression such as
myVariable < 5
Contains an annotation to the block. The input text will be displayed inside the block above the function name.
This function can be used whenever your algorithm requires to implement some true/false logic.