curl --request POST \
  --url https://api.kodelabs.com/kodeos/api/v1/users/{userId}/apps/{appId} \
  --header 'Authorization: Bearer <token>' \
  --header 'Content-Type: application/json' \
  --data '
{
  "role": "<string>"
}
'

const options = {
  method: 'POST',
  headers: {Authorization: 'Bearer <token>', 'Content-Type': 'application/json'},
  body: JSON.stringify({role: '<string>'})
};

fetch('https://api.kodelabs.com/kodeos/api/v1/users/{userId}/apps/{appId}', options)
  .then(res => res.json())
  .then(res => console.log(res))
  .catch(err => console.error(err));

import requests

url = "https://api.kodelabs.com/kodeos/api/v1/users/{userId}/apps/{appId}"

payload = { "role": "<string>" }
headers = {
    "Authorization": "Bearer <token>",
    "Content-Type": "application/json"
}

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

print(response.text)

$headers=@{}
$headers.Add("Authorization", "Bearer <token>")
$headers.Add("Content-Type", "application/json")
$response = Invoke-WebRequest -Uri 'https://api.kodelabs.com/kodeos/api/v1/users/{userId}/apps/{appId}' -Method POST -Headers $headers -ContentType 'application/json' -Body '{
  "role": "<string>"
}'