[Home](./index.md) > [server](./server.md) > [WorldLoopEventPayloads](./server.worldloopeventpayloads.md) ## WorldLoopEventPayloads interface Event payloads for WorldLoop emitted events. **Signature:** ```typescript export interface WorldLoopEventPayloads ``` ## Properties

Property	Modifiers	Type	Description
["WORLD\_LOOP.START"](./server.worldloopeventpayloads._world_loop.start_.md)		{ worldLoop: [WorldLoop](./server.worldloop.md); }	Emitted when the world loop starts.
["WORLD\_LOOP.STOP"](./server.worldloopeventpayloads._world_loop.stop_.md)		{ worldLoop: [WorldLoop](./server.worldloop.md); }	Emitted when the world loop stops.
["WORLD\_LOOP.TICK\_END"](./server.worldloopeventpayloads._world_loop.tick_end_.md)		{ worldLoop: [WorldLoop](./server.worldloop.md); tickDurationMs: number; }	Emitted when the world loop tick ends.
["WORLD\_LOOP.TICK\_ERROR"](./server.worldloopeventpayloads._world_loop.tick_error_.md)		{ worldLoop: [WorldLoop](./server.worldloop.md); error: Error; }	Emitted when an error occurs during a world loop tick.
["WORLD\_LOOP.TICK\_START"](./server.worldloopeventpayloads._world_loop.tick_start_.md)		{ worldLoop: [WorldLoop](./server.worldloop.md); tickDeltaMs: number; }	Emitted when the world loop tick starts.