Actor.isValid() USE: Check if an actor variable is valid. Most commonly used after GetPerson(), GetCompanion() or GetSpecific() TYPE: Condition, Reference RETURNS: bool THEME: Actor Loading COMPARE: getPerson, getSpecific EXAMPLE: John = getSpecific(Colleague) If John.isValid() "I have at least one colleague" Else John = generatePerson() John.addColleague() "I met a new colleague, " Endif