Get data from input: Paths to nodes

You have seen ways to write data to output nodes via literals and variables. Most often your goal is to map data, to create output structured data from input structured data. In this chapter you can learn how to manipulate data from input Business Documents in DML expressions.

This chapter describes one of the most complex aspects of DML: paths to Business Documents nodes. This includes everything from basic paths to complex paths that select only specific parts of a Business Document.

Related topics

Before you proceed

Elementary paths

Ambiguous paths

Path cardinalities: Select occurrences

Advanced selection with ‘where’

@@ Specifier

FoodBroker project: First steps in filling nodes

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