SAP Function TTE_4_DOCUMENT_GET_SIMU - RFC call to TTE for calculate taxes

Parameter	Reference	Type	Length	Default	Optional	Text
IR_TTE_DOCUMENT_EXT	REF TO CL_TTE_DOCUMENT_EXT		0			TTE Document External Rep. ( RFC Interface ).

Exception	Text
NO_TTE_DOCUMENT	TTE document does not exist
PARAMETER_ERRORS