# validateLinkCompatibility

Canonical: https://docs.shumoku.dev/en/library/api/validateLinkCompatibility
Language: en

@shumoku/core · 0.4.0 · function

# validateLinkCompatibility

[Source](https://github.com/konoe-akitoshi/shumoku/blob/main/libs/@shumoku/core/src/models/port-compatibility.ts#L325)

Validate a link against its endpoints, ports, and cable. Runs every registered endpoint-level and link-level check; collects all issues the UI / consumers can route to inline markers via \`issuesForTarget\`.

```
validateLinkCompatibility(fromPort: NodePort | undefined, toPort: NodePort | undefined, link: Pick<Link, "from" | "to" | "cable">): ValidationIssue[]
```

## Parameters

| Parameter | Type | Description | Default |
| --- | --- | --- | --- |
| `fromPort` | `NodePort | undefined` | No additional description. | `—` |
| `toPort` | `NodePort | undefined` | No additional description. | `—` |
| `link` | `Pick<Link, "from" | "to" | "cable">` | No additional description. | `—` |

## Returns

```
ValidationIssue[]
```

[`libs/@shumoku/core/src/models/port-compatibility.ts:325`](https://github.com/konoe-akitoshi/shumoku/blob/main/libs/@shumoku/core/src/models/port-compatibility.ts#L325)