On the "Add to Website" page, click the “Copy Code to Clipboard” button to copy the embed code snippet.
Open your drupal website.
Click Structure > Block Layout > Place Block (wherever relevant) > Add custom block > Basic Block.
Add a description and paste the generated code snippet into the body.
Set text format to “Full HTML” and click Save.
Set the region and click “save block”.
Go back to the site. If the element is showing the raw HTML instead of the custom integrated code, hover over the section, click “edit” at the top right. Then click the pencil beside the element and select “quick edit”. Click “source” delete the field and repaste the generated code snippet here. Click “save” and return to preview the site.