# `SBoM.CycloneDX.V13.ExternalReferenceType`
[🔗](https://github.com/erlef/mix_sbom/blob/v0.10.0/lib/sbom/cyclonedx/v13/external_reference_type.pb.ex#L1)

CycloneDX ExternalReferenceType model.

# `t`

```elixir
@type t() ::
  integer()
  | :EXTERNAL_REFERENCE_TYPE_OTHER
  | :EXTERNAL_REFERENCE_TYPE_VCS
  | :EXTERNAL_REFERENCE_TYPE_ISSUE_TRACKER
  | :EXTERNAL_REFERENCE_TYPE_WEBSITE
  | :EXTERNAL_REFERENCE_TYPE_ADVISORIES
  | :EXTERNAL_REFERENCE_TYPE_BOM
  | :EXTERNAL_REFERENCE_TYPE_MAILING_LIST
  | :EXTERNAL_REFERENCE_TYPE_SOCIAL
  | :EXTERNAL_REFERENCE_TYPE_CHAT
  | :EXTERNAL_REFERENCE_TYPE_DOCUMENTATION
  | :EXTERNAL_REFERENCE_TYPE_SUPPORT
  | :EXTERNAL_REFERENCE_TYPE_DISTRIBUTION
  | :EXTERNAL_REFERENCE_TYPE_LICENSE
  | :EXTERNAL_REFERENCE_TYPE_BUILD_META
  | :EXTERNAL_REFERENCE_TYPE_BUILD_SYSTEM
```

---

*Consult [api-reference.md](api-reference.md) for complete listing*