# Function: updateNxJson ▸ **updateNxJson**(`tree`, `nxJson`): `void` Update nx.json #### Parameters | Name | Type | | :------- | :----------------------------------------------------------------------------------------- | | `tree` | [`Tree`](../../devkit/documents/Tree) | | `nxJson` | [`NxJsonConfiguration`](../../devkit/documents/NxJsonConfiguration)\<`string`[] \| `"*"`\> | #### Returns `void`