Multiple tag filters can be used to group specific event types. For example, in the iframe filter below, we have assigned the tag "course" to all of the course entries, so that customers can easily access courses rather than individual classes or events.

To filter the iframe you will need to modify the Iframe code to include the link to the Bookwhen public page that contains the tag name. You must add the course tag to all entries you wish to include in this section of your webpage. Learn more information about creating a tag, and how to integrate the tag into the link. 

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Below is an example of how the final result will look after applying the filter: