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[Home](./index.md) &gt; [@empathyco/x-components](./x-components.md) &gt; [BaseXPriorityQueue](./x-components.basexpriorityqueue.md) &gt; [(constructor)](./x-components.basexpriorityqueue._constructor_.md)

## BaseXPriorityQueue.(constructor)

Creates a new [XPriorityQueue](./x-components.xpriorityqueue.md)<!-- -->.

**Signature:**

```typescript
constructor(comparatorFn?: NumberComparatorFn);
```

## Parameters

|  Parameter | Type | Description |
|  --- | --- | --- |
|  comparatorFn | [NumberComparatorFn](./x-components.numbercomparatorfn.md) | _(Optional)_ Comparator - the comparator that will be used to order this queue. By default, the elements will be sorted in descending order (an element with priority 1 will be higher in the queue than another with priority 0). |