diff --git a/data-structure-database.md b/data-structure-database.md
index 4b4341f..1b0e5a5 100644
--- a/data-structure-database.md
+++ b/data-structure-database.md
@@ -60,7 +60,7 @@ All values are serialized as strings.
 
 | Creator type | `resourcename` | Custom args |
 |---|---|---|
-| `Cube` | `Cube` | `color`, `opacity` |
+| `Cube` | `Cube` | `color` |
 | `Sphere` | `Sphere` | `color` |
 | `Cylinder` | `Cylinder` | `color` |
 | `Cone` | `Cone` | `color` |
@@ -71,34 +71,44 @@ All values are serialized as strings.
 
 | Creator type | `resourcename` | Custom args |
 |---|---|---|
-| `Directional Light` | `Directional Light` | `color`, `intensity`, `target` (`"x,y,z"`) |
-| `Point Light` | `Point Light` | `color`, `intensity` |
+| `Directional Light` | `Directional Light` | `color`, `intensity`†, `target` (`"x,y,z"`) |
+| `Point Light` | `Point Light` | `color`, `intensity`† |
+
+> †`intensity` is the key saved in the database, but Unity reads `brightness` — the args will not apply at runtime until this mismatch is resolved. See individual object docs.
 
 ### Room access
 
 | Creator type | `resourcename` | Custom args |
 |---|---|---|
 | `Entrance` | `Entrance` | _(none)_ |
-| `Exit` | _(not implemented in save)_ | — |
-| `RoomTeleporter` | _(not implemented in save)_ | `roomid` |
+| `GoToOtherRoom` | `GoToOtherRoom` | `RoomName`, `UUID`, `color` _(❌ not yet implemented in Creator or Unity)_ |
 
 ### Streaming / media
 
 | Creator type | `resourcename` | Custom args |
 |---|---|---|
-| `Billboard` | `Billboard` | `url` (file path) |
+| `Billboard` | `Billboard` | `url` (Supabase storage path, signed at runtime) |
 | `LiveKitStream` | `LiveKitStream` | `LiveKitRoomID`, `shader`, `GreenScreenColor`, `GreenScreenBorderSettings`, `GreenScreenColorNear`, `widthcrop`, `heightcrop` |
-| `VideoWall` | `VideoWall` | `file`, `widthcrop`, `heightcrop` |
-| `Presentation` | `PresentationWall` | `file` |
+| `VideoWall` | `VideoWall` | `file`, `shader`, `volume`, `controls`, `autoplay`, `widthcrop`, `heightcrop` |
+| `Presentation` | `PresentationWall` | `file`, `widthcrop`, `heightcrop`, `controls` _(❌ not in Creator)_ |
 | `Camera` | `CCTVCamera` | `target` (`"x,y,z"`), `fov` (derived: `zoom * 60`) |
 
-### Other
+### Other / Props
 
 | Creator type | `resourcename` | `type` field | Custom args |
 |---|---|---|---|
 | `Text` | `Text` | `pre-defined` | `text`, `color`, `fontSize`, `fontWeight` |
-| `Whiteboard` | _(not implemented in save)_ | `pre-defined` | _(none)_ |
-| `Custom` | _(the asset filename)_ | `user-defined` | `file` |
+| `Whiteboard` | `WhiteboardWall` | `pre-defined` | _(none — not serialized by Creator)_ |
+| `Custom` | _(asset filename)_ | `user-defined` | `file`, `color`, `material` |
+
+#### `material` values (Custom, Speaker)
+
+| Value | Shader |
+|---|---|
+| `0` | Metallic |
+| `1` | Unlit |
+| `2` | Specular |
+| `3` | FakeEmission |
 
 ### Common optional arg (all types)
 
@@ -142,3 +152,21 @@ All values are serialized as strings.
   "item-custom-args-adv": null
 }
 ```
+
+## Example — Custom (user-uploaded GLB)
+
+```json
+{
+  "position": { "x": -4.0, "y": 1.0, "z": 0.0 },
+  "rotation": { "x": 0.0, "y": 0.0, "z": 0.0 },
+  "scale":    { "x": 1.0, "y": 1.0, "z": 1.0 },
+  "type": "user-defined",
+  "resourcename": "b83a17ab-92bf-4122-a4d0-7b467a105ae0/podest.glb",
+  "item-custom-args": [
+    { "argument": "file",     "value": "b83a17ab-92bf-4122-a4d0-7b467a105ae0/podest.glb" },
+    { "argument": "color",    "value": "#ffffff" },
+    { "argument": "material", "value": "0" }
+  ],
+  "item-custom-args-adv": null
+}
+```