How to set up a select filter?
Please check your setup using this document as a guide. Remember to update or publish your work as you go. Note that the only ACF field types that you can use alongside our filter module are the number, range, select, checkbox, radio button and true/false. Follow the images below.
1.) ACF Select.
Create an ACF select field type.
2.) Select Filter.
Add a new item to the .FILTER POSTS module before selecting the post type, filter type as select and the value to a string.