# Subversion scmInstances

Updates an instance of Subversion SCM.

Endpoint: PUT /scmInstances/Subversion
Version: v1
Security: bearerAuth

## Query parameters:

  - `projectId` (integer, required)
    ID of the project
    Example: 1

  - `instanceId` (integer, required)
    ID of the SCM instance

## Request fields (application/json):

  - `url` (string, required)
    url

  - `userName` (string)
    userName
    Example: "abc"

  - `password` (string)
    password
    Example: "abc"

  - `revisionNumber` (string)
    revisionNumber


## Response 200 fields

## Response 400 fields

## Response 401 fields

## Response 404 fields

## Response 500 fields