Updating the Source in an XML Map after a mapping has started
Once you have begun a mapping using XML Map, you will find that is you attempt to update the source document, the XML Map connector will prompt you to restart your mapping: If you’ve already begun a really complicated XML Map, you don’t want to lose your progress, so how do you introduce a minor change, like a few additional elements? First, it’s not required that the source of your XML Map exactly match all of the possible nodes for mapping, so if you just need to access a new field, in the same loop - for example, Name, you don’t need to use the designer to drag and drop the element onto the destination, you can just start a new expression and manually type in the XPath of the element you want to grab: