| Label | Required | Description | Example |
| ------------------------------------------- | -------- | ----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| `org.opencontainers.image.title` | Yes | Human-readable title of the image (string). This appears in the UI for Docker Desktop. | my-extension |
| `org.opencontainers.image.description` | Yes | Human-readable description of the software packaged in the image (string) | This extension is cool. |
| `org.opencontainers.image.vendor` | Yes | Name of the distributing entity, organization, or individual. | Acme, Inc. |