---
title: "desPartUpsertCustomParts"
url: "https://altiumdeveloper.github.io/platform-api-docs/reference/library-management/operations/mutations/des-part-upsert-custom-parts"
bounded_context: "Library Management"
kind: "mutations"
experimental: false
deprecated: false
---

# desPartUpsertCustomParts

Upserts custom parts.

### Type

#### [`DesPartUpsertCustomPartsPayload`](https://altiumdeveloper.github.io/platform-api-docs/reference/library-management/types/objects/des-part-upsert-custom-parts-payload.md) object

Represents the result of upserting custom parts.

```graphql
desPartUpsertCustomParts(
  input: DesPartUpsertCustomPartsInput!
): DesPartUpsertCustomPartsPayload!
```

### Arguments

#### `input` · [`DesPartUpsertCustomPartsInput!`](https://altiumdeveloper.github.io/platform-api-docs/reference/library-management/types/inputs/des-part-upsert-custom-parts-input.md) non-null input

The custom parts to upsert.