void SketchPlugin_ConstraintDistance::initAttributes()
{
data()->addAttribute(CONSTRAINT_ATTR_VALUE, ModelAPI_AttributeDouble::type());
+ data()->addAttribute(CONSTRAINT_ATTR_FLYOUT_VALUE, ModelAPI_AttributeDouble::type());
data()->addAttribute(CONSTRAINT_ATTR_ENTITY_A, ModelAPI_AttributeRefAttr::type());
data()->addAttribute(CONSTRAINT_ATTR_ENTITY_B, ModelAPI_AttributeRefAttr::type());
}