Fetch a list of all custom data type names

curl --request GET \
  --url https://appdomain/dcapi/customColumn/customColumnPage \
  --header 'Accept: application/customColumnDetails.v1+json' \
  --header 'Authorization:  d92d4xxxxxxxxxxxxx15f52'

import java.net.URI;
import java.net.http.HttpClient;
import java.net.http.HttpRequest;
import java.net.http.HttpResponse;
import java.io.IOException;
import java.net.http.HttpTimeoutException;

public class Main {
  public static void main(String[] args) {

    HttpRequest request = HttpRequest.newBuilder()
        .uri(URI.create("https://appdomain/dcapi/customColumn/customColumnPage"))
        .header("Accept", "application/customColumnDetails.v1+json")
        .header("Authorization", " d92d4xxxxxxxxxxxxx15f52")
        .method("GET", HttpRequest.BodyPublishers.noBody())
        .build();
    HttpResponse response = HttpClient.newHttpClient().send(request, HttpResponse.BodyHandlers.ofString());
    System.out.println(response.body());
  
  }
}
    

import http.client

conn = http.client.HTTPSConnection("appdomain")

headers = {
    'Accept': "application/customColumnDetails.v1+json",
    'Authorization': " d92d4xxxxxxxxxxxxx15f52"
    }

conn.request("GET", "/dcapi/customColumn/customColumnPage", headers=headers)

res = conn.getresponse()
data = res.read()

print(data.decode("utf-8"))

    headersMap = Map();
    headersMap.put("Accept", "application/customColumnDetails.v1+json");

    response = invokeUrl
    [
        url: "https://appDomain/dcapi/customColumn/customColumnPage"
        type: GET
        headers: headersMap
        connection: connection_name
    ]

    info response;
    

$headers=@{}
$headers.Add("Accept", "application/customColumnDetails.v1+json")
$headers.Add("Authorization", " d92d4xxxxxxxxxxxxx15f52")
$response = Invoke-WebRequest -Uri 'https://appdomain/dcapi/customColumn/customColumnPage' -Method GET -Headers $headers