/// Event ID that the problem in solver disappeared
static const char * EVENT_SOLVER_REPAIRED = "SolverRepaired";
+/// Event Id that sketch has DoF = 0
+static const char * EVENT_SKETCH_FULLY_CONSTRAINED = "SketchFullyConstrainted";
+/// Event Id that sketch has DoF > 0
+static const char * EVENT_SKETCH_UNDER_CONSTRAINED = "SketchUnderConstrainted";
+/// Event Id that sketch has DoF < 0
+static const char * EVENT_SKETCH_OVER_CONSTRAINED = "SketchOverConstrainted";
+
/// Event ID that informs that some object has changed the stability
static const char * EVENT_STABILITY_CHANGED = "StabilityChanged";