If you would like to set the icons dynamically connected from a SharePoint list, please follow these steps from article.
What we are going to achieve:
Step 1: Create single line of text column in your SharePoint list
Create the Single line of text column and name it Icon. Add icon's names for every item where you want to display it. You can find the list of all icons and their names on our Icon list page.
Step 2: Connect your SharePoint list to Icons List
Add the Icon List element to your page, navigate to Connect tab, and connect it to the SharePoint list you have created:
Step 3: Map your items
In the Items tab please connect Icon field to the column with icons name you have, in my example it is Icon:
Save the changes. Now you have icons connected dynamically and displayed in your ShortPoint Icon List: