Efl UI Property interface. view object can have Efl.Model and need to set cotent with those model stored data. the interface can help binding the factory to create object with model property data. see Efl.Model see Efl.Ui.Factory
bind the factory with the given key string. when the data is ready or changed, factory create the object and bind the data to the key action and process promised work. Note: the input Efl.Ui.Factory need to be Efl.Ui.Property_Bind.property_bind at least once.
Eina_Error efl_ui_factory_bind(Eo *obj, const char *key, Efl_Ui_Factory *factory);