---
title: "KeySelector"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/data-table/src/lib/table.ts#L535"
---

# KeySelector

## Summary

Column or column list used to join relations.

## Signature

```ts
type KeySelector<table> =
  | (keyof TableRow<table> & string)
  | readonly (keyof TableRow<table> & string)[]

```