Could an Iframe field be added to a guide content type?

**Is your feature request related to a problem? Please describe.**
A clear and concise description of what the problem is. Please include the content type/s if applicable.

**Describe the solution you'd like**
What would you like to see added or changed? Why? Include any benefits, challenges, or considerations. This can be short and sweet.

**Additional context**
Add any other context, use cases, or screenshots about the feature request here.

**Reference**
Include JIRA ticket number or ServiceNow ticket numbers that correspond to this issue.

The issue contains only the feature-request template and does not identify an implementation entry point, content type details, tests, or acceptance criteria. First clarify the guide content type, the expected Iframe field behavior, and the relevant project repository before estimating or starting the work.

Written by the indexing model from the issue text.