Need two calls to my BPEL/ESB process

Hi !
I'm doing an integration where the source system can't product all data needed in one call.
(They have ready made interfaces)
So step one is to create a call to my process with personal data, such as name, birth date.
Next step is to create a call with employment data with salary data.
How do I create a process like that in the best way. Is it ESB or BPEL.
Is it possible at all ?

Hi,
Yes it is possible. Because you are pulling data you will need a caller process. You can not do this in ESB alone because ESB itself is passive, so BPEL would be in place.
I assume the interfaces are already implemented as (a) web service(s) or adapter(s).
Create a BPEL process and in it you create (a) partnerlink(s) for the interfaces. Next, drag 2 invoke activities into the process. The first invoke retrieves the 1st message (personal data), the second invoke retrieves the employment data.
Something like this (assign activities left out for clarity):
      |
      |
   [invoke1] <----- partnerlink to retrieve personal data
      |
      |
   [invoke2] <----- partnerlink to retrieve employment data
      |
     ...

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