Version: 2017.3
public static string GetString (string key, string defaultValue= "");

Description

Returns the value corresponding to key in the remote settings if it exists.

If it doesn't exist, it will return defaultValue. If you don't provide a default value, it will return "" (empty string).

using UnityEngine;
using System.Collections;

public class ExampleClass : MonoBehaviour { void Example() { print(RemoteSettings.GetString("defaultPlayerName")); } }