Hi,
the secret should be hidden in combination of levels and sort/key fields.
You can inspire yourself with a standard XML tree, for example PAYM/CGI_CT - do a Z copy for your experiments.
Level 1 has repetition factor 1 - it means, that you can't have combination of keys for level one on one page.
The key for level 1 is combined from FPAYH-ZBUKR plus something unimportant now.
Activate your Z tree and press the "Test Active Version" button.
In the Test Cockpit create two lines in FPAYH table with same ZBUKR (you should switch to Tech Names first) and press Execute - you should see only one output file.
But when you change the second ZBUKR to a different one, two files should be created.
But this simple rule works only for the first level. For other levels it is a bit more complicated, but not too much. The Repetition Factor for level 2 says how many different keys for level 2 can exist for one level 1 before a new page is created. So you should change the repetition factor for level 2 for example to 2 to make it easier for understanding and have a look what is the key for level 2. It is combined from FPAYH-HKTID and something else. So if you will have 3 lines in FPAYH with the same ZBUKR and different HKTIDs, you should receive in the test tool 2 pages, because only 2 different HKTIDs can be on one page.
When you understand this idea, you should be able to create your own tree.
Best regards,
Antonin
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