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In the domain menu, click "
Parking page":

Specify the content of the parking page, check the radio button opposite "
Enable parking page" and press "
Save":

Wait approximately 30-60 minutes for the changes to take effect.
Click the insert images button in the editor toolbar:

In the window that appears, provide a link to the image and click "
Save":

At the bottom of the parking page management page there is a directory of ready-made templates:
The templates are categorized. The code of the selected template is inserted into the content field of the parking page and can be edited in the editor: