---
title: "PATCH /ver2/ChemicalGroupService.svc/chemicalGroups/{ChemicalGroupIdOrName}"
method: PATCH
path: "/ver2/ChemicalGroupService.svc/chemicalGroups/{ChemicalGroupIdOrName}"
tags: ["ChemicalGroup"]
---

# PATCH /ver2/ChemicalGroupService.svc/chemicalGroups/{ChemicalGroupIdOrName}

`PATCH /ver2/ChemicalGroupService.svc/chemicalGroups/{ChemicalGroupIdOrName}`

## Request

- Base URL: `https://api.enviance.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.enviance.com/ver2/ChemicalGroupService.svc/chemicalGroups/{ChemicalGroupIdOrName}`
- Auth: none declared
- TypeScript: <https://skmtc.dev/enviance/apis/restapi/docs/ver2/ChemicalGroupService.svc/chemicalGroups/:ChemicalGroupIdOrName/patch.ts> (a function with typed inputs; its response is checked against the schema)

envianceSdk.chemicalgroups.updateChemicalGroup
```
[
  "Chemical Group Name",
  {
    "name": "Chemical Group Name",
    "description": "Chemical Group Description",
    "chemicals": [
      "896197B8-E007-4169-8C03-D9D0E8411150",
      "FF710D9F-4367-4C0C-A5CB-497CB18FA842"
    ]
  },
  "onsuccess",
  "onerror"
]
```

## Headers

- `EnvApi-Systemid` string
- `EnvApi-Packageid` string
- `EnvApi-Udf-DateTime-Iso-In-CustomFields` string
- `EnvApi-Udf-DateTime-ReadInUserTz` string
- `EnvApi-Udf-Value-Invariant` string
- `EnvApi-Localization-All` string
- `x-client-request-id` string

## Request body

- UpdateChemicalGroup
  - `chemicalGroupIdOrName` string
  - `chemicalGroupInfo` EnvianceRestServicesVer2MaterialActivityChemicalsChemicalGroupInfo
    - `id` string, guid
    - `name` string
    - `description` string
    - `chemicals` string[]

## Response `default`

not available

---

[API](https://skmtc.dev/enviance/apis/restapi.md) - [All operations](https://skmtc.dev/enviance/apis/restapi/llms.txt) - [OpenAPI document](https://skmtc.dev/enviance/apis/restapi/revisions/45b2200a8cf2?raw)