How to add t-codes to the customizing screens main menu

Hi,

I've got a requirement were in i need to add the t-code to the customizing screens main menu..We've developed a screen for our workbench requirement and my requirement is to add a table maintainence generators t-code to it so that user can enter entries form this workbench administrator screen....Like the one we add for area menu using se43 for standard sap easy access screens main menu....how is this possible for customizing screens main menu....

Thanks in advance......