Full Code

BackndDataTable.cs

using UnityEngine;
using System.Threading.Tasks;

// Adds BACKND SDK namespace
using BACKND;

public class BackndManager : MonoBehaviour {
    void Start() {
        var bro = Backnd.Initialize(); // Initialize BACKND

        // Response value for BACKND initialization
        if(bro.IsSuccess()) {
            Debug.Log("Initialization successful : " + bro); // If successful, 'statusCode 204 Success'
        } else {
            Debug.LogError("Initialization failed : " + bro); // If failed, a 4xx statusCode error occurs 
        }

        Test();
    }

    // A method that allows synchronous methods to be called from asynchronous methods(cannot be accessed by the Unity UI)
    async void Test() {
        await Task.Run(() => {
            BackndLogin.Instance.CustomSignIn("user1", "1234"); // BACKND login method

            // [Addition] Loads chartId's chart information
            // [Change required] Change the 'File ID' to the file ID value of the chart registered to BACKND Console > DataTable Management > Item DataTable.  
            BackndDataTable.Instance.DataTableGet("File ID"); // Example: "64584"
            
            Debug.Log("Test complete.");
        });
    }
}

BackndManager.cs

using UnityEngine;
using System.Threading.Tasks;

// Adds BACKND SDK namespace
using BACKND;

public class BackndManager : MonoBehaviour {
    void Start() {
        var bro = Backnd.Initialize(); // Initialize BACKND

        // Response value for BACKND initialization
        if(bro.IsSuccess()) {
            Debug.Log("Initialization successful : " + bro); // If successful, 'statusCode 204 Success'
        } else {
            Debug.LogError("Initialization failed : " + bro); // If failed, a 4xx statusCode error occurs 
        }

        Test();
    }

    // A method that allows synchronous methods to be called from asynchronous methods(cannot be accessed by the Unity UI)
    async void Test() {
        await Task.Run(() => {
            BackndLogin.Instance.CustomSignIn("user1", "1234");

            BackndDataTable.Instance.DataTableGet("63584"); // [Addition] Loads chartId's chart information
            
            Debug.Log("Test complete.");
        });
    }
}