You can link the “Icon/Button/Link” to the “Custom Feild Values” using the Combo Blocks plugin. This article will help you link the “Icon/Button/Link” to the Custom Field values.
To begin, insert the “Icon/Button/Link” block.
Click on the “Text” tab.
Now choose “Custom Field” from “Link to” to link the post title to the custom field value.
Add a “Custom Field Key” to link with the “Icon/Button/Link.”