Defines a region which will show only if the supplied test evaluates to true.
The content to show if the test condition is true.
Sets whether to evaluate the test during the render phase (when rendered) or when the object (and children) are being constructed
Note: Do not use when used for checking security (as child nodes may still be constructed and events processed)
Valid options: render, init
Give this control a unique id. Can be accessed in the client DOM (eg, document.getElementById('myid'), or in the server DOM using $myid or $('myid')).
Sets the test for the statement