Create expressions in the XPath Expression Editor. XPath is a query language used to select nodes in an hierarchical document and perform computations.
You can use XPath expressions to define the context for a mapping statement. You can define conditions to transform and filter the data using different XPath expressions in mapping statement properties. You can add various arithmetic calculations to a mapping statement using XPath expressions.
When you click the Open button in the Input, Condition, or Output field, the Expression Editor appears. The following figure shows the XPath Expression Editor:
Create expressions in the
The XPath Expression Editor has a
panel with a function library that you can use to create XPath expressions. The functions are standard for the W3C XML Path Language. The function library also includes some functions that are specific to the Data Processor transformation.