# ImageChecker

**Package:** `flyte.extend`

```python
protocol ImageChecker()
```
## Methods

| Method | Description |
|-|-|
| [`image_exists()`](#image_exists) |  |

### image_exists()

```python
def image_exists(
    repository: str,
    tag: str,
    arch: Tuple[Architecture, ...],
) -> Optional[str]
```
| Parameter | Type | Description |
|-|-|-|
| `repository` | `str` | |
| `tag` | `str` | |
| `arch` | `Tuple[Architecture, ...]` | |

---
**Source**: https://github.com/unionai/unionai-docs/blob/main/content/api-reference/flyte-sdk/packages/flyte.extend/imagechecker.md
**HTML**: https://www.union.ai/docs/v2/union/api-reference/flyte-sdk/packages/flyte.extend/imagechecker/