diff --git a/schemas/constructs/core.json b/schemas/constructs/core.json
index 75ba180e17..b47e6d2312 100644
--- a/schemas/constructs/core.json
+++ b/schemas/constructs/core.json
@@ -474,6 +474,10 @@
               "description": "The opacity of the area outside the viewport texture. Selector needs to be *core*",
               "minimum": 0,
               "maximum": 1
+            },
+            "shape-polygon-points": {
+              "type": "string",
+              "description": "An array (or a space-separated string) of numbers ranging on [-1, 1], representing alternating x and y values (i.e. x1 y1 x2 y2, x3 y3 ...). This represents the points in the polygon for the node’s shape. The bounding box of the node is given by (-1, -1), (1, -1), (1, 1), (-1, 1). The node’s position is the origin (0, 0 )"
             }
           }
         }