# RequireTogether<T, Keys> · FT4 TypeScript client · Chromia Docs (concept)

> RequireTogether: T & { [K in Keys ]-?: T [K] } Type Parameters T Keys extends keyof T

Source: https://docs.chromia.com/pages/ft4-ts-client/types/utils.RequireTogether/

Type Alias

# RequireTogether<T, Keys>

```signature
RequireTogether: T & { [K in Keys]-?: T[K] }
```

#### Type Parameters

* T
* Keys extends keyof [T](#t)

[View this page on docs.chromia.com](https://docs.chromia.com/pages/ft4-ts-client/types/utils.RequireTogether.html)Generated API reference, mirrored from the live docs