[Home](./index.md) > [@empathyco/x-components](./x-components.md) > [BaseXPriorityQueueNode](./x-components.basexpriorityqueuenode.md) > [key](./x-components.basexpriorityqueuenode.key.md) ## BaseXPriorityQueueNode.key property **Signature:** ```typescript readonly key: keyof SomeRecord; ```