You can insert an iframe in your website in the following way:

1. You must go from the left side menu to "Web".

2. Inside "Web" click on "Sections".

3. Click on "Add new".

5. The penultimate icon that you can see in this image is the section where you must include the iframe.

6. You can save it and display it on your website.

Here is an example of what a code snippet might look like once pasted:

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