public variable : String
The name of the variable that the text field is associated with. The type of this property is String.
The following example creates a text field called my_txt and associates the variable today_date with the text field. When you change the variable today_date, then the text that appears in my_txt updates.
this.(reateTextField("my_txt", 1, 10, 10, 200, 22);
my_txt.variable = "today_date";
var today_date:Date = new Date();
var date_interval:Number = setInterval(updateDate, 500);
function updateDate():Void {
today_date = new Date();
}