diff --git a/ZEB/Column/examples/example.json b/ZEB/Column/examples/example.json
index acb213896..ace7236bd 100644
--- a/ZEB/Column/examples/example.json
+++ b/ZEB/Column/examples/example.json
@@ -1,6 +1,6 @@
 {
-  "id": "urn:ngsi-ld:Stair:BTZ0000000001",
-  "type": "Stair",
+  "id": "urn:ngsi-ld:Opening:BOZ0000000001",
+  "type": "Opening",
   "dateObjectCreated": "2020-07-20T17:17:00.621Z",
   "dateObjectUpdated": "2020-07-20T17:17:00.621Z",
   "flagDeleted": "false",
@@ -40,43 +40,12 @@
     ]
   },
   "jointArea": "0.368",
-  "locationBase": {
-    "type": "MultiPoint",
-    "coordinates": [
-      [
-        0,
-        0,
-        0
-      ],
-      [
-        1000,
-        100,
-        0
-      ]
-    ]
-  },
-  "locationTop": {
-    "type": "MultiPoint",
-    "coordinates": [
-      [
-        0,
-        0,
-        100
-      ],
-      [
-        100,
-        100,
-        100
-      ]
-    ]
-  },
-  "numStep": "20",
-  "objectName": "stair_1",
+  "objectName": "opening_1",
   "refArea": "urn:ngsi-ld:Area:SAZ0000000001",
   "refBuilding": "urn:ngsi-ld:Building:ZZZ0000000001",
-  "refMaterial": "urn:ngsi-ld:Material:BTZ0000000001",
+  "refWall": "urn:ngsi-ld:Wall:BWZ0000000001",
   "refRoom": "urn:ngsi-ld:Room:SRZ0000000001",
-  "refStair": "urn:ngsi-ld:Stair:BTZ0000000002",
+  "refStair": "urn:ngsi-ld:Stair:BTZ0000000001",
   "shape": {
     "type": "MultiPoint",
     "coordinates": [
@@ -122,7 +91,7 @@
       ]
     ]
   },
-  "stairType": "strait_run",
+  "slabType": "stair_floor",
   "surfaceBase": {
     "type": "Polygon",
     "coordinates": [
@@ -148,7 +117,7 @@
       ]
     ]
   },
-  "surfaceBase": {
+  "surfaceTop": {
     "type": "Polygon",
     "coordinates": [
       [
@@ -173,6 +142,6 @@
       ]
     ]
   },
-
-  "thermalTransmission": "0.834"
+  "thermalTransmission": "0.834",
+  "thickness": "220"
 }