curl --request PATCH \
  --url https://{api_endpoint}/v1/lite/serviceInstance/users/role \
  --header 'Content-Type: application/json' \
  --data '
{
  "CurrentUserRecord": {
    "uid": "<string>",
    "role": "<string>",
    "username": "<string>"
  },
  "ServiceInstanceMetadata": {
    "serviceInstanceDisplayName": "<string>",
    "serviceInstanceNamespace": "<string>",
    "zenServiceInstanceInfo": {
      "zenCloudPakInstanceId": "<string>",
      "zenControlPlaneNamespace": "<string>",
      "zenImageRegistryPrefix": "<string>",
      "zenServiceInstanceId": "<string>",
      "zenServiceInstanceSecret": "<string>",
      "zenServiceInstanceType": "<string>",
      "zenServiceInstanceUID": "<string>",
      "zenServiceInstanceUserName": "<string>",
      "zenServiceInstanceVersion": "<string>"
    },
    "metadata": {},
    "serviceInstanceDescription": ""
  },
  "users": [
    {
      "uid": "<string>",
      "role": "<string>",
      "username": "<string>"
    }
  ],
  "groups": [
    "<unknown>"
  ]
}
'

import requests

url = "https://{api_endpoint}/v1/lite/serviceInstance/users/role"

payload = {
    "CurrentUserRecord": {
        "uid": "<string>",
        "role": "<string>",
        "username": "<string>"
    },
    "ServiceInstanceMetadata": {
        "serviceInstanceDisplayName": "<string>",
        "serviceInstanceNamespace": "<string>",
        "zenServiceInstanceInfo": {
            "zenCloudPakInstanceId": "<string>",
            "zenControlPlaneNamespace": "<string>",
            "zenImageRegistryPrefix": "<string>",
            "zenServiceInstanceId": "<string>",
            "zenServiceInstanceSecret": "<string>",
            "zenServiceInstanceType": "<string>",
            "zenServiceInstanceUID": "<string>",
            "zenServiceInstanceUserName": "<string>",
            "zenServiceInstanceVersion": "<string>"
        },
        "metadata": {},
        "serviceInstanceDescription": ""
    },
    "users": [
        {
            "uid": "<string>",
            "role": "<string>",
            "username": "<string>"
        }
    ],
    "groups": ["<unknown>"]
}
headers = {"Content-Type": "application/json"}

response = requests.patch(url, json=payload, headers=headers)

print(response.text)

const options = {
  method: 'PATCH',
  headers: {'Content-Type': 'application/json'},
  body: JSON.stringify({
    CurrentUserRecord: {uid: '<string>', role: '<string>', username: '<string>'},
    ServiceInstanceMetadata: {
      serviceInstanceDisplayName: '<string>',
      serviceInstanceNamespace: '<string>',
      zenServiceInstanceInfo: {
        zenCloudPakInstanceId: '<string>',
        zenControlPlaneNamespace: '<string>',
        zenImageRegistryPrefix: '<string>',
        zenServiceInstanceId: '<string>',
        zenServiceInstanceSecret: '<string>',
        zenServiceInstanceType: '<string>',
        zenServiceInstanceUID: '<string>',
        zenServiceInstanceUserName: '<string>',
        zenServiceInstanceVersion: '<string>'
      },
      metadata: {},
      serviceInstanceDescription: ''
    },
    users: [{uid: '<string>', role: '<string>', username: '<string>'}],
    groups: ['<unknown>']
  })
};

fetch('https://{api_endpoint}/v1/lite/serviceInstance/users/role', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

<?php

$curl = curl_init();

curl_setopt_array($curl, [
  CURLOPT_URL => "https://{api_endpoint}/v1/lite/serviceInstance/users/role",
  CURLOPT_RETURNTRANSFER => true,
  CURLOPT_ENCODING => "",
  CURLOPT_MAXREDIRS => 10,
  CURLOPT_TIMEOUT => 30,
  CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_1_1,
  CURLOPT_CUSTOMREQUEST => "PATCH",
  CURLOPT_POSTFIELDS => json_encode([
    'CurrentUserRecord' => [
        'uid' => '<string>',
        'role' => '<string>',
        'username' => '<string>'
    ],
    'ServiceInstanceMetadata' => [
        'serviceInstanceDisplayName' => '<string>',
        'serviceInstanceNamespace' => '<string>',
        'zenServiceInstanceInfo' => [
                'zenCloudPakInstanceId' => '<string>',
                'zenControlPlaneNamespace' => '<string>',
                'zenImageRegistryPrefix' => '<string>',
                'zenServiceInstanceId' => '<string>',
                'zenServiceInstanceSecret' => '<string>',
                'zenServiceInstanceType' => '<string>',
                'zenServiceInstanceUID' => '<string>',
                'zenServiceInstanceUserName' => '<string>',
                'zenServiceInstanceVersion' => '<string>'
        ],
        'metadata' => [
                
        ],
        'serviceInstanceDescription' => ''
    ],
    'users' => [
        [
                'uid' => '<string>',
                'role' => '<string>',
                'username' => '<string>'
        ]
    ],
    'groups' => [
        '<unknown>'
    ]
  ]),
  CURLOPT_HTTPHEADER => [
    "Content-Type: application/json"
  ],
]);

$response = curl_exec($curl);
$err = curl_error($curl);

curl_close($curl);

if ($err) {
  echo "cURL Error #:" . $err;
} else {
  echo $response;
}

package main

import (
	"fmt"
	"strings"
	"net/http"
	"io"
)

func main() {

	url := "https://{api_endpoint}/v1/lite/serviceInstance/users/role"

	payload := strings.NewReader("{\n  \"CurrentUserRecord\": {\n    \"uid\": \"<string>\",\n    \"role\": \"<string>\",\n    \"username\": \"<string>\"\n  },\n  \"ServiceInstanceMetadata\": {\n    \"serviceInstanceDisplayName\": \"<string>\",\n    \"serviceInstanceNamespace\": \"<string>\",\n    \"zenServiceInstanceInfo\": {\n      \"zenCloudPakInstanceId\": \"<string>\",\n      \"zenControlPlaneNamespace\": \"<string>\",\n      \"zenImageRegistryPrefix\": \"<string>\",\n      \"zenServiceInstanceId\": \"<string>\",\n      \"zenServiceInstanceSecret\": \"<string>\",\n      \"zenServiceInstanceType\": \"<string>\",\n      \"zenServiceInstanceUID\": \"<string>\",\n      \"zenServiceInstanceUserName\": \"<string>\",\n      \"zenServiceInstanceVersion\": \"<string>\"\n    },\n    \"metadata\": {},\n    \"serviceInstanceDescription\": \"\"\n  },\n  \"users\": [\n    {\n      \"uid\": \"<string>\",\n      \"role\": \"<string>\",\n      \"username\": \"<string>\"\n    }\n  ],\n  \"groups\": [\n    \"<unknown>\"\n  ]\n}")

	req, _ := http.NewRequest("PATCH", url, payload)

	req.Header.Add("Content-Type", "application/json")

	res, _ := http.DefaultClient.Do(req)

	defer res.Body.Close()
	body, _ := io.ReadAll(res.Body)

	fmt.Println(string(body))

}

HttpResponse<String> response = Unirest.patch("https://{api_endpoint}/v1/lite/serviceInstance/users/role")
  .header("Content-Type", "application/json")
  .body("{\n  \"CurrentUserRecord\": {\n    \"uid\": \"<string>\",\n    \"role\": \"<string>\",\n    \"username\": \"<string>\"\n  },\n  \"ServiceInstanceMetadata\": {\n    \"serviceInstanceDisplayName\": \"<string>\",\n    \"serviceInstanceNamespace\": \"<string>\",\n    \"zenServiceInstanceInfo\": {\n      \"zenCloudPakInstanceId\": \"<string>\",\n      \"zenControlPlaneNamespace\": \"<string>\",\n      \"zenImageRegistryPrefix\": \"<string>\",\n      \"zenServiceInstanceId\": \"<string>\",\n      \"zenServiceInstanceSecret\": \"<string>\",\n      \"zenServiceInstanceType\": \"<string>\",\n      \"zenServiceInstanceUID\": \"<string>\",\n      \"zenServiceInstanceUserName\": \"<string>\",\n      \"zenServiceInstanceVersion\": \"<string>\"\n    },\n    \"metadata\": {},\n    \"serviceInstanceDescription\": \"\"\n  },\n  \"users\": [\n    {\n      \"uid\": \"<string>\",\n      \"role\": \"<string>\",\n      \"username\": \"<string>\"\n    }\n  ],\n  \"groups\": [\n    \"<unknown>\"\n  ]\n}")
  .asString();

require 'uri'
require 'net/http'

url = URI("https://{api_endpoint}/v1/lite/serviceInstance/users/role")

http = Net::HTTP.new(url.host, url.port)
http.use_ssl = true

request = Net::HTTP::Patch.new(url)
request["Content-Type"] = 'application/json'
request.body = "{\n  \"CurrentUserRecord\": {\n    \"uid\": \"<string>\",\n    \"role\": \"<string>\",\n    \"username\": \"<string>\"\n  },\n  \"ServiceInstanceMetadata\": {\n    \"serviceInstanceDisplayName\": \"<string>\",\n    \"serviceInstanceNamespace\": \"<string>\",\n    \"zenServiceInstanceInfo\": {\n      \"zenCloudPakInstanceId\": \"<string>\",\n      \"zenControlPlaneNamespace\": \"<string>\",\n      \"zenImageRegistryPrefix\": \"<string>\",\n      \"zenServiceInstanceId\": \"<string>\",\n      \"zenServiceInstanceSecret\": \"<string>\",\n      \"zenServiceInstanceType\": \"<string>\",\n      \"zenServiceInstanceUID\": \"<string>\",\n      \"zenServiceInstanceUserName\": \"<string>\",\n      \"zenServiceInstanceVersion\": \"<string>\"\n    },\n    \"metadata\": {},\n    \"serviceInstanceDescription\": \"\"\n  },\n  \"users\": [\n    {\n      \"uid\": \"<string>\",\n      \"role\": \"<string>\",\n      \"username\": \"<string>\"\n    }\n  ],\n  \"groups\": [\n    \"<unknown>\"\n  ]\n}"

response = http.request(request)
puts response.read_body

{
  "detail": [
    {
      "loc": [
        "<string>"
      ],
      "msg": "<string>",
      "type": "<string>"
    }
  ]
}