Adding a personalized embed code allows you to provide your website with a personalized global header and footer. These you request from the Flemish government via firstname.lastname@example.org.
The data they forward you can use as a token when installing the new theme.
After the adjustment, it may take up to 1 day before the changes are visible in the header. This has to do with the underlying cache. In case of an urgent request, you can always reach us through our support desk.