System objects

System objects are a category of special, predefined intangible objects that can be placed in a scene for various effects. These categories include audio emitters, light sources, and interactive objects like spawn points. You can access system objects while editing a scene by clicking the System Objects tab of the Inventory panel. You can then filter your search by clicking All, Lights, Audio, or Interactive.

The System Objects tab, found in the inventory panel at the bottom of the screen.

While editing a scene, system objects are represented by abstract shapes, but they are otherwise invisible while visiting the scene.


A directional light, represented by three arrows pointing in the direction the light shines.

System object lights are intangible sources of light that can illuminate your scene. Each type of light operates differently; make sure to choose the right light for each situation. For more information on working with lights in a scene, see Working with lights.


Audio Emitter

A point audio emitter, shaped like a stylized speaker. Cuboid and sphere audio emitters are shaped like cubes and spheres.

Audio emitters act as the source of localized sounds in a scene. For detailed information on how to upload sounds and use audio emitters, see Working with audio.


Spawn Point

A spawn point, represented by footprints inside a circle. The pointy end of the circle indicates which way visitors face when entering the scene.

The spawn point represents the exact location where visitors enter your scene. If you place more than one spawn point in the scene, visitors can potentially arrive at any of them, chosen at random:

Position - The location where visitors enter the scene.

Rotation - The direction visitors face when they enter the scene.

Scale - Has no effect.

Trigger Volume

A Box-type trigger volume, represented by a translucent blue box. Trigger volumes cannot be seen by visitors to your scene, but can trigger events when objects and avatars enter.

A trigger volume is an invisible, non-collidable area that generates a Trigger event whenever an object or avatar enters or exits the area. This can be useful for opening automatic doors, counting visitors, and many other applications. For more information, see Working with trigger volumes.

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