@empathyco/x-components
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Empathy X Components
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[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [BaseXPriorityQueue](./x-components.basexpriorityqueue.md) > [pop](./x-components.basexpriorityqueue.pop.md)
## BaseXPriorityQueue.pop() method
See [XPriorityQueue.pop](./x-components.xpriorityqueue.pop.md)<!-- -->.
**Signature:**
```typescript
pop(): XPriorityQueueNode<SomeRecord, SomeData> | undefined;
```
**Returns:**
[XPriorityQueueNode](./x-components.xpriorityqueuenode.md)<!-- --><SomeRecord, SomeData> \| undefined
The head [node](./x-components.xpriorityqueuenode.md) of the queue or undefined if it is empty.