unity callback
void callApi()
{
StartCoroutine(FetchData(ApiAction));
}
string url = "https://postman-echo.com/get?foo1=bar1";
IEnumerator FetchData(System.Action<string, bool> callback)
{
UnityWebRequest getData = UnityWebRequest.Get(url);
yield return getData.SendWebRequest();
if (getData.isDone == false || getData.error != null)
callback(getData.error, false);
else
callback(getData.downloadHandler.text, true);
}
void ApiAction(string response, bool isSuccess)
{
if (isSuccess)
Debug.Log(response);
}