| key | The key identifying the setting. |
| defaultValue | The default value to use if the setting identified by the key parameter cannot be found or is unavailable. |
float The current value of the setting identified by key, or the default value.
Gets the value corresponding to remote setting identified by key, if it exists.
If it doesn't exist, it will return defaultValue. If you don't provide a default value, it will return 0.0.