INTERNET APPLICATION DEVELOPMENT
MID MARKET ERP DEVELOPMENT
It is also possible to retrieve such information using a 2.1 call. Personally, I always prefer DTD version 3.0 unless I know for sure it is only available to DTD version 2.1.
Step 3. Invoke a 2.1 call to return the attachment data by providing the DOCUMENTID, which is A1 from step 2. In this example, there are two identical supporting documents associated with this AP Bill. You can see the system returns both in the result in the Base64 encoding format.
Step 4. Find a third-party Base64 decoding utility to decode the attachment data and save it in ASCII format.