MIGO : How to identify post is for Goods Recipt of outbound delivery.

Hi,

I am working with MIGO Transaction,

My requirement is that while posting the Goods recipt with outbound delivery, If Movement type is not eqaul to 861, display a msg to change movemnet type to 861.

for this requirement I am using the BADI

MB_DOCUMENT_BADI - > MB_DOCUMENT_BEFORE_UPDATE .

My Querry is that How can I Identify that the posting is for Goods reciept with outbound delivery.

thr r three importing parameter for the BADI

MSEG

MKPK

& vm07m.

I try mkpf-tcode2 field.

but for both goods recipt and cancellation , the value of this field is MIGO_GR.

Please help me regarding identification of the same.