SAP Function BAPI_BILLINGDOC_GET_FIELD_INFO - Determine Field Information for a Billing Document

Parameter	Reference	Type	Length	Default	Optional	Text
BILLINGDOC_NUMBER	BAPIVBRK-REF_DOC	C	10

Parameter	Reference	Length	Optional	Text
CHANGING_FIELDINFO	VFFVS	80
OUTPUT_RETURNLOG	BAPIRETURN1	470