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Event Nodes

This is a list of Udon Nodes that are considered "Events".

Events are used to detect actions and set off chains of action or logic. Input Events have their own special page. To jump to an Event in the graph, click it in the Graph Sidebar.

All below nodes have flow nodes where logic requires it.

Interact

Fired when the local player interacts with this game object.

OnDrop

Fired when a VRChat player drops this object after being held.

OnOwnershipTransferred

Fired when the ownership of this object is transferred via some mechanic.

OnPickup

Fired when this object is picked up by a VRChat player.

OnPickupUseDown

Fired when this object is held and the Use button is pressed. Fires on button down. Requires 'Auto Hold' on Desktop.

OnPickupUseUp

Fired when this object is held and the Use button is pressed. Fires on button up. Requires 'Auto Hold' on Desktop.

OnPlayerJoined

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a VRChat player joins the instance. Outputs the player that joined.

OnPlayerLeft

Event_OnPlayerLeft

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a VRChat player leaves the instance. Outputs the player that left.

OnSpawn

Event_OnSpawn

Deprecated. OnSpawn serves no function in VRChat's SDK3. In SDK2, this event was triggered when spawning an object for the local player.

OnStationEntered

Event_OnStationEntered

Fired when a VRChat player enters the station on this object.

OnStationExited

Event_OnStationExited

Fired when a VRChat player exits the station on this object.

OnVideoEnd

Event_OnVideoEnd

Fired when the video player on this object is finished playing, either via the end of the video or via player interaction.

OnVideoError

Event_OnVideoError

Outputs: videoError - VRC.SDK3.Components.Video.VideoError

Fired when the video player encounters an error loading the video.

OnVideoLoop

Event_OnVideoLoop

If looping is enabled, fired when the video player finishes a loop.

OnVideoPause

Event_OnVideoPause

Fired when the video player on this object is paused.

OnVideoPlay

Event_OnVideoPlay

Fired when the video player on this object starts playback, either via the start of a new video in a queue, unpausing, or via player interaction.

OnVideoStart

Event_OnVideoStart

Fired when the video player on this object starts playback from a stopped state.

OnVideoReady

Event_OnVideoReady

Fired when the video player loads a new video.

Player Events

OnPlayerTriggerEnter

Event_OnPlayerTriggerEnter

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a player's capsule enters a trigger collider.

OnPlayerTriggerStay

Event_OnPlayerTriggerStay

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired on frames while a player's capsule is inside a Trigger Collider

OnPlayerTriggerExit

Event_OnPlayerTriggerExit

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a player's capsule exits a Trigger Collider.

OnPlayerCollisionEnter

Event_OnPlayerCollisionEnter

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a player's capsule enters a Collider.

OnPlayerCollisionStay

Event_OnPlayerCollisionStay

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired on frames while a player's capsule is inside a Collider.

OnPlayerCollisionExit

Event_OnPlayerCollisionExit

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a player's capsule exits a Collider.

OnPlayerParticleCollision

Event_OnPlayerParticleCollision

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a particle collides with a player's capsule, assuming that Particle System has Collision and Send Collision Messages turned on.

OnPlayerRespawn

Event_OnPlayerRespawn

Outputs: player - VRC.SDKBase.VRCPlayerApi

Fired when a player respawns using their menu.

OnScreenUpdate

Event_OnScreenUpdate

Outputs: data - VRC.SDK3.Platform.ScreenUpdateData

Triggered when a player first enters the world on a Mobile Device, and whenever the orientation of their device changes. Outputs a ScreenUpdateData struct with the following values:

  • type - ScreenUpdateType - only OrientationChanged for now, can be expanded in the future.
  • orientation - VRCOrientation - the orientation of the player's device, as a VRC.SDKBase.Platform.VRCOrientation enum, which is Landscape or Portrait.
  • resolution - Vector2 - the resolution of the player's device, as a Vector2 struct.

Advanced Notes

All nodes in this list have the type System.Void.