Auto filling context area

Hello.

The question about , how we can filling context area from email .

In ICCMP_DOC_LINK component I need to fill context area with customer detail.

I have a customer BP entity of parent interaction record

In DO_PREPARE_OUTPUT method of imlementation class

I use BP_CONFIRM of CL_CRMCMP_B_CUCOBUPA_IMPL class ,

but context area is empty.

Thank you.

Igor Spector