# Ustawianie adresu email PayPal Checkout

Endpoint: PUT /flow/{flowServiceId}/submerchants/{submerchantId}/payment-channels/paypal
Version: 1.0.0
Security: bearerAuth

## Path parameters:

  - `flowServiceId` (string, required)
    ID usługi Flow
    Example: "flow_aaaabbbb"

  - `submerchantId` (string, required)
    ID submerchanta (flsm_...) lub jego customId
    Example: "flsm_aaaabbbb"

## Request fields (application/json):

  - `email` (string,null)
    Adres email konta PayPal (null usuwa adres)
    Example: "paypal@simpay.pl"

## Response 400 fields (application/json):

  - `success` (boolean, required)
    Request status

  - `message` (string)
    Opis błędu

  - `errorCode` (string, required)
    Kod błędu

## Response 401 fields (application/json):

  - `success` (boolean, required)
    Request status

  - `errorCode` (string, required)
    Error status code
    Enum: "UNAUTHORIZED"

## Response 422 fields (application/json):

  - `success` (boolean, required)
    Request status

  - `errorCode` (string, required)
    Error status code
    Enum: "VALIDATION_ERROR"

  - `errors` (object, required)
    Example: {"amount":["The amount field is required."],"currency":["The selected currency is invalid."]}

  - `errors.amount` (array)
    Example: ["The amount field is required."]


## Response 204 fields