The template Einbindung externer Dienste has been provided in order to embed external sites such as google maps or facebook.
External sites such as google maps are often used for route description on location pages. These hints refer to embedding google maps.
A simple, but good solution is to use a standard folder and to set the necessary links to the external websites there. See AG Heberle.
If you wish to embed the external site, then you need to use the template "Einbindung externer Dienste".
In the section "Basisdaten Externe Dienste" the entries in the fields "HTML-Code zum Einbetten" and "Datenschutzhinweise" are relevant.
You find the HTML-code with the <iframe> tag on the google maps site when you click on the little gearwheel symbol in the bottom right corner. A windows for sharing or embedding the map opens. If you click on Embed you will see the HTML code which you need to copy and paste into the CMS field.
You do not need to specify the format. It is already contained in the iframe code.
The link to the FU data protection information page is mandatory:
You will find instructions on how to embed facebook, twitter and youtube sites on a separate sheet.