# Update All User-Defined Analyzers for One Cluster

**PUT /api/atlas/v1.0/groups/{groupId}/clusters/{clusterName}/fts/analyzers**

Updates one or more Atlas Search custom analyzers on the specified cluster. Custom analyzers define the operations to perform to index a field. To use this resource, the requesting Service Account or API Key must have the Project Data Access Admin role.

[Custom Analyzers](https://dochub.mongodb.org/core/custom-fts)

## Servers
- https://cloud.mongodb.com: https://cloud.mongodb.com ()


## Authentication methods
- Service accounts
- Digest auth


## Parameters

#### Path parameters
- **groupId** (string)
  Unique 24-hexadecimal digit string that identifies your project. Use the [/groups](#tag/Projects/operation/listProjects) endpoint to retrieve all projects to which the authenticated user has access.

**NOTE**: Groups and projects are synonymous terms. Your group id is the same as your project id. For existing groups, your group/project id remains the same. The resource and corresponding endpoints use the term groups.
- **clusterName** (string)
  Name of the cluster that contains the collection with one or more Atlas Search indexes.

#### Query parameters
- **envelope** (boolean)
  Flag that indicates whether Application wraps the response in an `envelope` JSON object. Some API clients cannot access the HTTP response headers or status code. To remediate this, set envelope=true in the query. Endpoints that return a list of results use the results object as an envelope. Application adds the status parameter to the response body.
- **pretty** (boolean)
  Flag that indicates whether the response body should be in the prettyprint format.

## Body parameters
Content-type: application/json
Updates one or more Atlas Search custom analyzers on the specified cluster.
- **charFilters** (array[object])
  Filters that examine text one character at a time and perform filtering operations.
- **name** (string)
  Human-readable name that identifies the custom analyzer. Names must be unique within an index, and must not start with any of the following strings:
- `lucene.`
- `builtin.`
- `mongodb.`
- **tokenFilters** (array[object])
  Filter that performs operations such as:

- Stemming, which reduces related words, such as "talking", "talked", and "talks" to their root word "talk".

- Redaction, the removal of sensitive information from public documents.
- **tokenizer** (object)
  Tokenizer that you want to use to create tokens. Tokens determine how Atlas Search splits up text into discrete chunks for indexing.

## Responses
### 200: OK

#### Body Parameters: application/json (array[object])
- **charFilters** (array[object])
  Filters that examine text one character at a time and perform filtering operations.
- **name** (string)
  Human-readable name that identifies the custom analyzer. Names must be unique within an index, and must not start with any of the following strings:
- `lucene.`
- `builtin.`
- `mongodb.`
- **tokenFilters** (array[object])
  Filter that performs operations such as:

- Stemming, which reduces related words, such as "talking", "talked", and "talks" to their root word "talk".

- Redaction, the removal of sensitive information from public documents.
- **tokenizer** (object)
  Tokenizer that you want to use to create tokens. Tokens determine how Atlas Search splits up text into discrete chunks for indexing.

### 400: Bad Request.

#### Body Parameters: application/json (object)
- **badRequestDetail** (object)
  Bad request detail.
- **detail** (string)
  Describes the specific conditions or reasons that cause each type of error.
- **error** (integer(int32))
  HTTP status code returned with this error.
- **errorCode** (string)
  Application error code returned with this error.
- **parameters** (array[object])
  Parameters used to give more information about the error.
- **reason** (string)
  Application error message returned with this error.

### 404: Not Found.

#### Body Parameters: application/json (object)
- **badRequestDetail** (object)
  Bad request detail.
- **detail** (string)
  Describes the specific conditions or reasons that cause each type of error.
- **error** (integer(int32))
  HTTP status code returned with this error.
- **errorCode** (string)
  Application error code returned with this error.
- **parameters** (array[object])
  Parameters used to give more information about the error.
- **reason** (string)
  Application error message returned with this error.

### 500: Internal Server Error.

#### Body Parameters: application/json (object)
- **badRequestDetail** (object)
  Bad request detail.
- **detail** (string)
  Describes the specific conditions or reasons that cause each type of error.
- **error** (integer(int32))
  HTTP status code returned with this error.
- **errorCode** (string)
  Application error code returned with this error.
- **parameters** (array[object])
  Parameters used to give more information about the error.
- **reason** (string)
  Application error message returned with this error.


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