---
title: "HasManyOptions"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/data-table/src/lib/table.ts#L542"
---

# HasManyOptions

## Summary

Options for defining a [`hasMany`](/data-table/function/hasMany/) relation.

## Signature

```ts
type HasManyOptions<source, target> = {
  foreignKey?: KeySelector<target>
  targetKey?: KeySelector<source>
}

```