## CertificationCredential

Asserts that the subject holds an instance of the specified certificate type.

`type`: `https://open.provenance.org/ontology/ptf/v2/CertificationCredential`

`credentialSubject`:

```
{ 
    id: "https://provenance.org/users/example",
    "hasCertification": "https://provenance.org/certifications/example" 
}
```
