ARENA Message Objects

Object Message	Description
ARENAUI Card	ARENAUI Card.
ARENAUI Button Panel	ARENAUI Button Panel.
ARENAUI Prompt	ARENAUI Prompt.
Box	Box Geometry.
Circle	Circle Geometry.
Capsule	Capsule Geometry.
Cone	Cone Geometry.
Cube (deprecated; don’t use)	Cube (=Box) Geometry (deprecated); Supported for Legacy reasons; Please use Box in new scenes.
Cylinder	Cylinder Geometry.
Dodecahedron	Dodecahedron Geometry.
Entity (generic object)	Entities are the base of all objects in the scene. Entities are containers into which components can be attached.
GLTF Model	Load a GLTF model.
3D Gaussian Splat	Load 3D Gaussian Splat.
Image	Display an image on a plane.
Icosahedron	Icosahedron Geometry.
Light	A light.
Line	Draw a line.
OBJ Model	Load an OBJ model
Ocean	Draw a wave-form plane.
Octahedron	Octahedron Geometry.
PCD Model	Load a PCD model.
Plane	Plane Geometry.
Program	ARENA program data.
Ring	Ring Geometry.
Rounded Box	Rounded Box Geometry.
Scene Options	ARENA scene options.
Sphere	Sphere Geometry.
Tetrahedron	Tetrahedron Geometry.
Text	Display text.
Thickline	Draw a line that can have a custom width.
Three.js Scene	Load a Three.js Scene (might be THREE.js version-specific; you can see THREE.js version in the JS console once you open ARENA; using glTF is preferred).
Torus	Torus Geometry.
Torus Knot	Torus Knot Geometry.
Triangle	Triangle Geometry.
URDF Model	Load a URFD model.
Videosphere	Videosphere 360 Video.
Camera	Camera is the pose and arena-user component data representing a user avatar.
Camera Override	Camera Override is used to re-position and re-pose a client’s camera.
Event	Events are ephemeral messages used to send user events like mouse movements or controller actions.
Hand Left	Hand Left is the left hand metadata pose and controller type of the user avatar.
Hand Right	Hand Right is the right hand metadata pose and controller type of the user avatar.