They are used by many different armed groups as well as seven state armed forces that continue to recruit and use children. They're used in a multitude of ways. They can be used in support functions like porters, messengers or spies, for sexual services, as frontline combatants or human shields and may also be used as recruiters of other children.
They are used in many ways, and it will depend on the place, the armed group, the tactics and the approaches they may be taking. But certainly one of the things that is very important is that those who are using children often very much understand that many of the peacekeeping forces and others who may be facing children see that as a moral dilemma.