# Function: readCachedProjectGraph

▸ **readCachedProjectGraph**(`minimumComputedAt?`): [`ProjectGraph`](../../devkit/documents/ProjectGraph)

Synchronously reads the latest cached copy of the workspace's ProjectGraph.

#### Parameters

| Name                 | Type     | Description                                                                    |
| :------------------- | :------- | :----------------------------------------------------------------------------- |
| `minimumComputedAt?` | `number` | The minimum timestamp that the cached ProjectGraph must have been computed at. |

#### Returns

[`ProjectGraph`](../../devkit/documents/ProjectGraph)

**`Throws`**

if there is no cached ProjectGraph to read from