This topic lists the routing constraints.:
135RouteGridOffset
135RouteGridPitch
45RouteGridOffset
45RouteGridPitch
clusterDistance
cutClassPreference
defaultHorizontalRouteGridOffset
defaultHorizontalRouteGridPitch
defaultMfgGrid
defaultVerticalRouteGridOffset
defaultVerticalRouteGridPitch
extendedValidRoutingVias
horizontalRouteGridOffset
horizontalRouteGridPitch
inlineViaPreferred
layerHeight
layerThickness
limitRoutingLayers
limitViaThruLayers
maxPickupDistanceAllowed
maxRoutingDistanceAllowed
maxTaperWindow
mfgGrid
minTaperWindow
nearFarPercentage
oaDefault135RouteGridOffset
oaDefault135RouteGridPitch
oaDefault45RouteGridOffset
oaDefault45RouteGridPitch
oaPreferredRoutingDirection
oaTaperHalo
offset
orthogonalSnappingLayer
planarTapAllowed
preferredExtensionDirection
preferredViaOrigin
routeOnGrid
taperToFirstVia
TJunctionAllowed
validRoutingLayers
validRoutingVias
validWireEditorVias
verticalRouteGridOffset
verticalRouteGridPitch
viaTapAllowed
wireExtent
wrongWayOK
Mixed-Signal Routing Constraints