@empathyco/x-components
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Empathy X Components
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[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [XPriorityQueueNode](./x-components.xpriorityqueuenode.md) > [key](./x-components.xpriorityqueuenode.key.md)
## XPriorityQueueNode.key property
The key to store the element in the queue.
**Signature:**
```typescript
key: keyof SomeRecord;
```