---
title: "supEvalKitSetMainRefDesign"
url: "https://altiumdeveloper.github.io/platform-api-docs/reference/supply/operations/mutations/sup-eval-kit-set-main-ref-design"
bounded_context: "Supply"
kind: "mutations"
experimental: false
deprecated: false
---

# supEvalKitSetMainRefDesign

Set the main reference design for an evaluation kit.

### Type

#### [`SupEvalKitSetMainRefDesignPayload`](https://altiumdeveloper.github.io/platform-api-docs/reference/supply/types/objects/sup-eval-kit-set-main-ref-design-payload.md) object

Payload returned after setting the main reference design of an evaluation kit.

```graphql
supEvalKitSetMainRefDesign(
  input: SupEvalKitSetMainRefDesignInput!
): SupEvalKitSetMainRefDesignPayload!
```

### Arguments

#### `input` · [`SupEvalKitSetMainRefDesignInput!`](https://altiumdeveloper.github.io/platform-api-docs/reference/supply/types/inputs/sup-eval-kit-set-main-ref-design-input.md) non-null input