The ECU extract operation extracts all the relevant data associated with one ECUInstance from a system configuration description to a new package. You can select an ECUInstance by using the model view or a specific tree form.
You can invoke the operation by selecting the ECU Extract entry in the Tools menu. If an ECUInstance is selected in the model view, the operation will be executed on this element. Otherwise, a tree view of the ECUInstances will appear, allowing you to select one or more elements, and invoke the operation.

A new ECUExtractPackage, including the relevant data of the ECUInstance will be generated for each ECUInstance selected.
Alternatively, you can select an ECUInstance from the browser and select Extract ECU from the context menu to create the ECU Extract description for the selected ECUInstance.

$<out-dir>\$<ecu-instance-name>_extract.arxml
The $<out-dir> is
evaluated at ARXML Export time.