Scripting Reference
GUILayout.PasswordField

static function PasswordField (password : String, maskChar : char, params options : GUILayoutOption[]) : String

static function PasswordField (password : String, maskChar : char, maxLength : int, params options : GUILayoutOption[]) : String

static function PasswordField (password : String, maskChar : char, style : GUIStyle, params options : GUILayoutOption[]) : String

static function PasswordField (password : String, maskChar : char, maxLength : int, style : GUIStyle, params options : GUILayoutOption[]) : String

Parameters

NameDescription
password Password to edit. The return value of this function should be assigned back to the string as shown in the example.
maskChar Character to mask the password with.
maxLength The maximum length of the string. If left out, the user can type for ever and ever.
style The style to use. If left out, the textField style from the current GUISkin is used.

Returns

String - the edited password.

Description

Make a text field where the user can enter a password.


Password field in the Game View.

JavaScript 
var passwordToEdit : String = "My Password";

function OnGUI () {
    // Make a password field that modifies passwordToEdit.
    passwordToEdit = GUILayout.PasswordField (passwordToEdit, "*"[0], 25);
}
using UnityEngine;
using System.Collections;

public class example : MonoBehaviour {
    public string passwordToEdit = "My Password";
    void OnGUI() {
        passwordToEdit = GUILayout.PasswordField(passwordToEdit, "*"[0], 25);
    }
}
import UnityEngine
import System.Collections

class example(MonoBehaviour):

    public passwordToEdit as string = 'My Password'

    def OnGUI():
        passwordToEdit = GUILayout.PasswordField(passwordToEdit, '*'[0], 25)