---
title: "List ProcedureMethodExecutionInstance items"
method: GET
path: "/api/v3/procedure-method-execution-instance/items"
tags: ["Procedure Method Execution Instance"]
---

# List ProcedureMethodExecutionInstance items

`GET /api/v3/procedure-method-execution-instance/items`

## Request

- Base URL: `https://{tenant_name}.benchling.com`
- URL: `https://{tenant_name}.benchling.com/api/v3/procedure-method-execution-instance/items`
- Auth: HTTP bearer

List ProcedureMethodExecutionInstance 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
- `id.anyOf` string[]
- `modifiedAt.gt` string, datetime
- `modifiedAt.gte` string, datetime
- `modifiedAt.lt` string, datetime
- `modifiedAt.lte` string, datetime
- `nextToken` string
- `omit` string[]
- `pageSize` integer
- `procedureRun.eq` string
- `procedureRunConditionReplicate.anyOf` string[]
- `returning` string[]
- `templateProcedureMethodVersion.eq` string
- `worksheet.anyOf` string[]
- `sort` 'createdAt:asc' | 'createdAt:desc' | 'modifiedAt:asc' | 'modifiedAt:desc'

## Headers

- `EARLY-ACCESS` string

## Response `200`

OK

- ProcedureMethodExecutionInstancePaginatedList
  - `items` ProcedureMethodExecutionInstance[]
    - `__typename` string
    - `archiveReason` string, nullable
    - `archived` boolean
    - `createdAt` string, datetime
    - `createdRetestOrders` string, uri: The retest orders that were created when the assay run for this PMEI was approved. Used on assay run retraction to identify the retest orders to cancel.
    - `dataParameterActualValues` string, uri
    - `dataParameterConfirmationValues` string, uri
    - `dataParameterPlannedValues` string, uri: Source of truth for this specific PMEI's planned data parameter values, with any condition overrides.
    - `equipmentConfirmationValues` string, uri
    - `equipmentPlannedValues` string, uri: Source of truth for this specific PMEI's planned equipment values, with any condition overrides.
    - `id` string
    - `materialInputConfirmationValues` string, uri
    - `materialInputPlannedValues` string, uri: Source of truth for this specific PMEI's planned material input values, with any condition overrides. Note: This will not include any process intermediate values when previous methods have not yet been completed.
    - `materialOutputConfirmationValues` string, uri
    - `modifiedAt` string, datetime
    - `procedureRun` ProcedureRunRef
      - `__typename` string
      - `id` string, api_id
    - `procedureRunConditionReplicate` ProcedureRunConditionReplicateRef
      - `__typename` string
      - `id` string, api_id
    - `stepGroups` ProcedureExecutionStepGroup[]
      - `__typename` string
      - `group` 'PRE_RUN' | 'RUN' | 'POST_RUN'
      - `steps` ProcedureStepExecutionInstanceRef[]
        - `__typename` string
        - `id` string, api_id
    - `taskTransitionExtensions` TaskTransitionExtension[]
      - `__typename` string
      - `comment` string
      - `statusDisplayName` string
      - `timestampUtcIsoformat` string
    - `templateMethodVersion` ProcedureMethodDefinitionVersionRef
      - `__typename` string
      - `id` string, api_id
    - `testOrders` string, uri: The test orders that were plated in this PMEI's worksheet.
  - `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)