1. Navigate to the IDX Manager in Flexmls: Menu>Preferences>IDX Manager
2. In the right-column for each link is the option “Get Link”. Copy the iFrame:
3. Navigate to a Page/Post in Wordpress. Make sure you are on the Text Tab. Paste your iFrame:
If you're using Gutenberg, add the Custom HTML Block
And paste in the HTML iframe code into the block...
4. Publish your page and you are good to go: