diff --git a/src/xf/include/xf/XFState.h b/src/xf/include/xf/XFState.h
index d10eed0..58f0ba4 100644
--- a/src/xf/include/xf/XFState.h
+++ b/src/xf/include/xf/XFState.h
@@ -21,15 +21,52 @@ class XFBehavior;
 class XFState {
 	friend class XFBehavior;
 public:
+
+	/**
+	 * Create and initialise a State for the behavior.
+	 * Have to be initialized in the constructor of the behavior.
+	 * @param behavior Pointer to the behavior class. Use the keyword this
+	 */
 	XFState(XFBehavior* behavior);
 	~XFState() = default;
 
+	/**
+	 * Use for set next state of the Initial State.
+	 * To be use only for stInitial.
+	 * @param state Pointer to the next state
+	 */
 	inline void setNextState(XFState* state) { setNextState(XFEvent::Initial, XFEvent::XFEventType::Initial, state); };
+
+	/**
+	 * Set the conditional state of an custom event.
+	 * @param evid Id of the event for set the next State
+	 * @param state Pointer to the next state
+	 */
 	inline void setNextState(const int evid, XFState* state) { setNextState(evid, XFEvent::XFEventType::Event, state); };
 
+	/**
+	 * Set a new timer with a certain duration on every entry of this state.
+	 * Set next state after
+	 * @param time Time duration of the timeout
+	 * @param nextState Pointer to the next state
+	 */
 	inline void setTimeout(int time, XFState* nextState) { setNextState(XFEvent::Timeout, time, XFEvent::XFEventType::Timeout, nextState); };
+
+	/**
+	 * Callback typedef
+	 */
 	typedef void (XFBehavior::*callback)(const XFEvent* ev);
+
+	/**
+	 * Register the method for the entry callback.
+	 * @param cbEntry Callback automatically called when the state is onEntry
+	 */
 	inline void registerOnEntry(callback cbEntry) { cbEntry_ = cbEntry; };
+
+	/**
+	 * Register the method for the exit callback
+	 * @param cbExit Callback automatically called when the state is onExit
+	 */
 	inline void registerOnExit(callback cbExit) { cbExit_ = cbExit; };
 
 protected: