AddEventHandler

addEventHandler

Attaches a Lua callback to a named event in the current resource.

Syntax

bool addEventHandler(string eventName, element attachedTo, function handler)

Parameters

Name	Type	Required	Description
eventName	string	yes	The event to listen for.
attachedTo	element	yes	The attachment target. Use root for a global resource handler.
handler	function	yes	The callback invoked when the event is triggered.

Returns

Returns true when the handler is registered; otherwise returns false.

Examples

Handle a custom event:

addEvent("quest:updated")

local function onQuestUpdated(questId)
    print("Quest updated:", questId)
end

addEventHandler("quest:updated", root, onQuestUpdated)

Notes

• Available in both client-side and server-side resource scripts.