/// Event ID that the sketch is prepared and all grouped messages for the solver may be flushed
static const char * EVENT_SKETCH_PREPARED = "SketchPrepared";
+/// Event ID that provides a request for list of non-fixed objects necessary for DoF = 0
+static const char * EVENT_GET_DOF_OBJECTS = "GetDoFObjects";
+
+/// Event ID that provides a request for list of non-fixed objects necessary for DoF = 0
+static const char * EVENT_DOF_OBJECTS = "DoFObjects";
+
/// Message that feature was changed (used for Object Browser update): moved, updated and deleted
class MODELAPI_EXPORT ModelAPI_ObjectUpdatedMessage : public Events_MessageGroup
{