+ * Connected callback should assign description to std::string call parameter.
+ * Accessibility description can be stored in two ways:
+ * this signal,
+ * ACCESSIBILITY_DESCRIPTION property,
+ * Priority is as above. If none is used, default implementation is provided.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityGetDescriptionSignalType &AccessibilityGetDescriptionSignal( Toolkit::Control control );
+
+/**
+ * @brief The signal is emitted when accessibility client call "DoGesture" method via IPC mechanism.
+ *
+ * This signal allows developers to serve incoming gesture in specific way.
+ * @return signal handler
+ */
+DALI_TOOLKIT_API AccessibilityDoGestureSignalType &AccessibilityDoGestureSignal( Toolkit::Control control );
+
+/**
+ * @brief The method allows connection with other actor with usage of concrete accessibility relation type.
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void AppendAccessibilityRelation( Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation );
+
+/**
+ * @brief The method allows removing relation
+ *
+ * @param control object to append attribute to
+ * @param destination Actor object
+ * @param relation enumerated value describing relation
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityRelation( Dali::Actor control, Actor destination, Dali::Accessibility::RelationType relation );
+
+/**
+ * @brief The method returns collection accessibility addresses representing objects connected with current object
+ *
+ * @param control object to append attribute to
+ * @return std::vector, where index is casted value of Accessibility::RelationType and value is std::vector of type Accessibility::Address
+ */
+DALI_TOOLKIT_API std::vector<std::vector<Accessibility::Address>> GetAccessibilityRelations( Dali::Actor control );
+
+/**
+ * @brief The method removes all previously appended relations
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityRelations( Dali::Actor control );
+
+/**
+ * @brief The method allows to add or modify value matched with given key.
+ * Modification take place if key was previously set.
+ *
+ * @param control object to append attribute to
+ * @param key std::string value
+ * @param value std::string value
+ */
+DALI_TOOLKIT_API void AppendAccessibilityAttribute( Dali::Actor control, const std::string& key, const std::string value );
+
+/**
+ * @brief The method erases key with its value from accessibility attributes
+ * @param control object to append attribute to
+ * @param key std::string value
+ */
+DALI_TOOLKIT_API void RemoveAccessibilityAttribute( Dali::Actor control, const std::string& key );
+
+/**
+ * @brief The method clears accessibility attributes
+ *
+ * @param control object to append attribute to
+ */
+DALI_TOOLKIT_API void ClearAccessibilityAttributes( Dali::Actor control );
+
+/**
+ * @brief The method inserts reading information of an accessible object into attributes
+ *
+ * @param control object to append attribute to
+ * @param types Reading information types
+ */
+DALI_TOOLKIT_API void SetAccessibilityReadingInfoType( Dali::Actor control, const Dali::Accessibility::ReadingInfoTypes types );
+
+/**
+ * @brief The method returns reading information of an accessible object
+ *
+ * @param control object to append attribute to
+ * @return Reading information types
+ */
+DALI_TOOLKIT_API Dali::Accessibility::ReadingInfoTypes GetAccessibilityReadingInfoType( Dali::Actor control );
+
+/**
+ * @brief The method erases highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool ClearAccessibilityHighlight( Dali::Actor control );
+
+/**
+ * @brief The method grabs highlight.
+ *
+ * @param control object to append attribute to
+ * @return bool value, false when it is not possible or something went wrong, at the other way true.
+ */
+DALI_TOOLKIT_API bool GrabAccessibilityHighlight( Dali::Actor control );
+
+/**
+ * @brief The metod presents bitset of control's states.
+ *
+ * @param control object to append attribute to
+ * @return Dali::Accessibility::States is vector of enumerated State.
+ */
+DALI_TOOLKIT_API Dali::Accessibility::States GetAccessibilityStates( Dali::Actor control );
+
+/**
+ * @brief The method force sending notifications about current states to accessibility clients
+ *
+ * @param control object to append attribute to
+ * @param states mask with states expected to broadcast
+ * @param doRecursive flag pointing if notifications of children's state would be sent
+ */
+DALI_TOOLKIT_API void NotifyAccessibilityStateChange( Dali::Actor control, Dali::Accessibility::States states, bool doRecursive );
+
+/**
+ * The method allows to set specific constructor for creating accessibility structure
+ *
+ * Thank to this method hierarchy of accessibility objects can be based on internal hierarchy of Actors.
+ * It prevents from necessity of keeping two trees synchronized.
+ * The method should be called inside OnInitialize method of all classes inheriting from Control.
+ *
+ * Possible usage can be as follows: