---
title: "SupRefPartType"
url: "https://altiumdeveloper.github.io/octopart-api-docs/reference/reference-design/types/enums/sup-ref-part-type"
bounded_context: "Reference Design"
kind: "enums"
experimental: false
deprecated: false
---

# SupRefPartType

### Member Of

[`SupRefPart`](https://altiumdeveloper.github.io/octopart-api-docs/reference/reference-design/types/objects/sup-ref-part.md) object

```graphql
enum SupRefPartType {
  PRIMARY
  KEY
  OTHER
}
```

### Values

#### `PRIMARY`

Main parts that the reference design demonstrate.

#### `KEY`

Important supporting parts essential to the function of the reference design.

#### `OTHER`

Other supporting parts.