# Function: readNxJson

▸ **readNxJson**(`tree`): [`NxJsonConfiguration`](/reference/core-api/devkit/documents/NxJsonConfiguration) \| `null`

Reads nx.json

#### Parameters

| Name   | Type                                                |
| :----- | :-------------------------------------------------- |
| `tree` | [`Tree`](/reference/core-api/devkit/documents/Tree) |

#### Returns

[`NxJsonConfiguration`](/reference/core-api/devkit/documents/NxJsonConfiguration) \| `null`