int $windowId;

int $mainTab;

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

$windowId = `createWindow "MyWindow"`;

// create a main tab controller then add a second tab the main tab

$mainTab = `createTab $windowId "Main" `;

int $secondTab = `addTab $mainTab "Second"`;

// delete the second tab

deleteTabItem $mainTab 1;