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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.

OnInputMethodChanged​

Event_OnInputMethodChanged Outputs: inputMethod - VRC.SDKBase.VRCInputMethod Fired when a player uses a different input method - Keyboard, Mouse, Controller, etc.

Advanced Notes​

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