Flash MX 2004.
element.setPersistentData(name, type, value)
name A string that specifies the name to associate with the data. This name is used to retrieve the data.
type A string that defines the type of the data. The allowable values are "integer", "integerArray", "double", "doubleArray", "string", and "byteArray".
value Specifies the value to associate with the object. The data type of value depends on the value of the type parameter. The specified value should be appropriate to the data type specified by the type parameter.
Nothing.
Method; stores data with an element. The data is available when the FLA file containing the element is reopened. Only symbols and bitmaps support persistent data.