A variable of the type Boolean value offers the following additional options for configuration:
Default Value
This is where the default value of the variable is defined. The default value of the variable can be set to either No or Yes. If the value is set to Yes the switch will be highlighted.
Attributes
By checking the Mark this variable as required checkbox a variable of the type Boolean value can be defined as a mandatory variable. This means, that a valid value has to be entered during a run.