ABAP Keyword Documentation → ABAP Glossary
BAdI reference variable
Specific object reference variable that is declared with reference to a
BAdI and is used to access the corresponding
BAdI object. BAdI reference variables are supplied with a
BAdI reference by 
GET BADI and are only used in CALL BADI to call
BAdI methods. Technically, BAdI reference variables are
class reference variables of the
static type of an actual
BAdI class, or of its abstract superclass CL_BADI_BASE.