Extending a view means, that the original view will be modified by a set of
rules which are defined with XML.
For this purpose, the extension engine uses XPath expressions.
The view is defined with the field
inherit of the
If the field domain is not set or evaluated to
the inheritance will be proceeded.
<data> <xpath expr="/form/notebook/page/separator[@name="signature"]" position="before"> <label name="company"/> <field name="company"/> <label name="employee"/> <field name="employee"/> </xpath> </data>
Each view must start with this tag.
The XPath expression to find the nodes in the inherited view.
Define the position in relation to the nodes found. It can be
replace_attributeswhich will change the attributes.