[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 | 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.