> ## Documentation Index
> Fetch the complete documentation index at: https://botmesh.afaya.com.co/llms.txt
> Use this file to discover all available pages before exploring further.

# checkCapabilityContract()

> Function exported by @botmesh/core/testing.

```ts theme={null}
function checkCapabilityContract(provider): CapabilityViolation[];
```

Defined in: [testing/capabilityContract.ts:70](https://github.com/andresayac/botmesh/blob/main/packages/core/src/testing/capabilityContract.ts#L70)

Check a provider instance against the capability contract; empty array = conforming.

## Parameters

| Parameter | Type |
| - | - |
| `provider` | `Pick`\<[`IProvider`](https://botmesh.afaya.com.co/api/core/interfaces/IProvider)\<`unknown`>, `"capabilities"`> & `Partial`\<[`IProvider`](https://botmesh.afaya.com.co/api/core/interfaces/IProvider)\<`unknown`>> |

## Returns

[`CapabilityViolation`](https://botmesh.afaya.com.co/api/core/testing/interfaces/CapabilityViolation)\[]


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