Share Highscore on Facebook? ANDROID

How can I have the player share this score to facebook,

		GUILayout.Label("Score: " + currentScore);

, with this button?

		if(GUILayout.Button("Highscore", GUILayout.Height(Screen.height / 8)))
			Debug.Log("Share Highscore");

Here is some code which should help, this code works for me.

int score = 10000;

var scoreData = 
        new Dictionary<string, string>() {{"score", score.ToString()}};

FB.API ("/me/scores", HttpMethod.POST, LogCallback, scoreData);

// Logs "true"