---
title: "List LibraryParameterDefinition items"
method: GET
path: "/api/v3/library-parameter-definition/items"
tags: ["Library Parameter Definition"]
---

# List LibraryParameterDefinition items

`GET /api/v3/library-parameter-definition/items`

## Request

- Base URL: `https://{tenant_name}.benchling.com`
- URL: `https://{tenant_name}.benchling.com/api/v3/library-parameter-definition/items`
- Auth: HTTP bearer

List LibraryParameterDefinition items.

## Query parameters

- `archiveReason.anyOf` string[]
- `archived.anyOf` boolean[]
- `createdAt.gt` string, datetime
- `createdAt.gte` string, datetime
- `createdAt.lt` string, datetime
- `createdAt.lte` string, datetime
- `creator.anyOf` string[]
- `id.anyOf` string[]
- `modifiedAt.gt` string, datetime
- `modifiedAt.gte` string, datetime
- `modifiedAt.lt` string, datetime
- `modifiedAt.lte` string, datetime
- `name.anyOf` string[]
- `name.anyOf.caseSensitive` string[]
- `nextToken` string
- `omit` string[]
- `pageSize` integer
- `returning` string[]
- `sort` 'createdAt:asc' | 'createdAt:desc' | 'modifiedAt:asc' | 'modifiedAt:desc'

## Headers

- `EARLY-ACCESS` string

## Response `200`

OK

- LibraryParameterDefinitionPaginatedList
  - `items` LibraryParameterDefinition[]
    - `__typename` string
    - `archiveReason` string, nullable
    - `archived` boolean
    - `createdAt` string, datetime
    - `creator` PrincipalRef
      - `__typename` string
      - `id` string, api_id
    - `dataType` 'AA_PART_LINK' | 'AA_SEQUENCE_LINK' | 'ASSAY_REQUEST_LINK' | 'ASSAY_RESULT_LINK' | 'ASSAY_RUN_LINK' | 'BATCH_LINK' | 'BLOB_LINK' | 'BOOLEAN' | 'CUSTOM_ENTITY_LINK' | 'DATE' | 'DATETIME' | 'DNA_SEQUENCE_LINK' | 'ENTITY_LINK' | 'ENTRY_LINK' | 'FLOAT' | 'INTEGER' | 'JSON' | 'LONG_TEXT' | 'MIXTURE_LINK' | 'MOLECULE_LINK' | 'BASE_MOLECULE_LINK' | 'PART_LINK' | 'RNA_PART_LINK' | 'RNA_SEQUENCE_LINK' | 'SAMPLE_LINK' | 'DROPDOWN' | 'STORAGE_LINK' | 'TEXT' | 'TRANSCRIPTION_LINK' | 'TRANSLATION_LINK'
    - `description` string
    - `id` string
    - `modifiedAt` string, datetime
    - `name` string
    - `unitType` UnitTypeRef
      - `__typename` string
      - `id` string, api_id
  - `nextToken` string, nullable

## Other responses

- `400`: Bad Request
- `403`: Forbidden
- `404`: Not Found
- `429`: Too Many Requests
- `500`: Internal Server Error

---

[API](https://skmtc.dev/benchling/apis/benchling-api.md) - [All operations](https://skmtc.dev/benchling/apis/benchling-api/llms.txt) - [OpenAPI document](https://skmtc.dev/benchling/apis/benchling-api/revisions/c9f087b98b8b?raw)