Terminates the current processing and starts the (new) transaction tcod.
LEAVE TO TRANSACTION 'SM02'.
LEAVE TO TRANSACTION SY-TCODE.
Processes the first screen of the transaction in the background. If possible, the fields on this screen are filled with values from the SAP memory. Therefore, you should set the desired values with SET PARAMETER . If an error occurs when processing the initial screen (due to incorrect or incomplete parameter values), this is reported and you must correct or complete the input manually on this screen.