int $windowId;

int $controlId;

// First create a User Window to place the Control on

$windowId = `createWindow "MyWindow"`;

// Create the User Control on the Window.

$controlId = `createPushButton $windowId -text "Push"`;

// Save the control ID to our profile, so we can retrieve it

// from the event handler

writeProfileInt "MyWindowSection" "PushButtonId" $controlId;

// Set the -click event handler for the Push Button. When 

// the user mouse clicks on the Push Button, this script will be

// executed. PushButtonClickHandler must reside in one of

// the scripts directories.

setPushButtonHandler $controlId -click "PushButtonClickHandler";