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[Home](./index.md) &gt; [server](./server.md) &gt; [WorldLoopEventPayloads](./server.worldloopeventpayloads.md) &gt; ["WORLD\_LOOP.TICK\_START"](./server.worldloopeventpayloads._world_loop.tick_start_.md)

## WorldLoopEventPayloads."WORLD\_LOOP.TICK\_START" property

Emitted when the world loop tick starts.

**Signature:**

```typescript
[WorldLoopEvent.TICK_START]: {
        worldLoop: WorldLoop;
        tickDeltaMs: number;
    };
```