# Update of variant parameter

Endpoint: PATCH /api/products/variant-parameters/{paramIndex}
Version: 1.0.0
Security: shoptetAccessToken, shoptetPrivateApiToken

## Path parameters:

  - `paramIndex` (string, required)
    Example: "barva"

## Header parameters:

  - `Content-Type` (string, required)

## Request fields (application/json):

  - `data` (object, required)

  - `data.paramName` (string)
    Name of parameter value. Maximal length of 255 characters.

  - `data.displayName` (string,null)
    Parameter display name

  - `data.paramIndex` (string)
    Url friendly name of parameter value. Maximal length of 255 characters. When changed, you must use the new paramIndex in the next API calls.

  - `data.priority` (integer)
    Parameter value priority.

## Response 200 fields (application/json):

  - `data` (object, required)

  - `data.id` (integer, required)
    ID of the parameter

  - `data.paramName` (string,null, required)
    name of the parameter

  - `data.paramIndex` (string, required)
    index of the parameter (identifier)

  - `data.displayName` (string,null)
    Parameter display name

  - `data.priority` (integer,null, required)
    priority of the parameter

  - `data.values` (array)
    Possible parameter values

  - `data.values.id` (integer, required)
    Parameter value id

  - `data.values.paramValue` (string, required)
    Description (name) of parameter's value

  - `data.values.rawValue` (string, required)
    Code (identifier) of parameter's value

  - `data.values.color` (string,null, required)
    Hex code of color

  - `data.values.image` (string,null, required)
    Url of image

  - `data.values.valuePriority` (integer,null, required)
    Parameter value priority

  - `errors` (array,null, required)

  - `errors.errorCode` (string, required)
    Short text error identification

  - `errors.message` (string, required)
    Descriptive error message

  - `errors.instance` (string, required)
    Identification of the entity referenced