I’ve been working on this plugin. Cleaning up code, uploading to GitHub, and updating the WordPress.org Plugin repo.

RGVWEBPRO IDX is a simple plugin for Real Estate Websites that offer their visitors iFrame content from USAMLS.NET by Systems Engineering, Inc.. Simply input a respective shortcode in the WYSIWYG editor and update the search values via the Custom Fields area. The “names” and “values” must correspond with the input names and values on the USAMLS.NET search page. Example: To display an MLS listing, add the shortcode [usamls] in the editor, the add “item1” in the name field and the MLS number in the value fiel

Source: rgvwebpro/rgv-web-pro-idx