> ## Documentation Index
> Fetch the complete documentation index at: https://doc.lucidworks.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Update a feature's properties



## OpenAPI

````yaml /api-reference/4.2/service-collections.json put /collections/{collection}/features/{feature}
openapi: 3.0.0
info:
  version: 4.2.6-rc1
  title: Fusion Service collections
servers:
  - url: /api/apollo/
security: []
tags:
  - name: collections
paths:
  /collections/{collection}/features/{feature}:
    put:
      tags:
        - 4.2 Collections API
      summary: Update a feature's properties
      operationId: overwriteFeature
      parameters:
        - name: collection
          in: path
          description: The name of a collection
          required: true
          schema:
            type: string
        - name: feature
          in: path
          description: The name of a feature
          required: true
          schema:
            type: string
        - name: callback
          in: query
          description: Additional commands to execute
          required: false
          schema:
            type: boolean
            default: true
        - name: If-Match
          in: header
          description: An entity tag to match against the specified feature
          required: false
          schema:
            type: string
            default: '"-1"'
      requestBody:
        content:
          application/json:
            schema:
              type: object
              additionalProperties:
                type: object
        description: JSON-formatted configuration values
      responses:
        default:
          description: successful operation

````