You will also need to decide on programmatic identifiers. These identifiers allow your filters and command handlers to uniquely identify individual business object instances.

In the List Manager you use a set of parameters to indicate your chosen programmatic identifiers:

  • AKey1, AKey2, AKey3, AKey4 and AKey5 specify (or receive) the alphanumeric values that identify a business object instance. They are optional and their maximum length is 32 characters (each).
  • NKey1, NKey2, NKey3, NKey4 and NKey5 specify (or receive) the numeric values that identify a business object instance. They are optional and their maximum precision is 15,0 (each).

So a business object instance can have up to ten programmatic identifiers, five alphanumeric and five numeric, in any combination. You might just use one or two identifiers, but you can also concatenate several pieces of information into a single AKeyn value, so effectively you can have many more keys than 10. 

Here are some examples of how you might programmatically identify your business objects:

Business Object

AKey1AKey2AKey3AKey4AKey5Nkey1Nkey2Nkey3Nkey4Nkey5
Product






Product Number





Customer

Customer Number










Account

Account Number





Company Number

Major Account

Minor Account



Department

Department Code










Section

Department  Code

Section Code









Remember that these identifiers must uniquely identify an instance of the business object to your programs but that nobody is going to see them.

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