1. Visit the website and Create a Poll.
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2. After creating a poll, if you click on the button in the upper right corner of a poll page, you will find the option "> Embed".
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3. Copy the Embed code. (Don't paste this directly into Notion.)
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4. Generate
Notion Embeddable URL with your Embed code.
5. Paste the URL into your Notion page's Embed block.