=== Link to Dolibarr core object ===
All link to a page of a standard dolibarr object (an invoice, an order, a bank account, ...) should be included into the code using the '''getNomUrl''' method of the class of the object.
=== Custom directory management ===
An external module called '''mymodule''' can be installed into '''htdocs/custom/mymodule''' (the default) as well as in '''htdocs/mymodule'''. It must works in both cases.
=== No writing in standard tree===