A shortcode is a simple code that you can use to add a team showcase or a team member to a page. the plugin generates two different type of shortcodes that can be copied into your site content.
Team shortcode
The team shortcode you can find in the team-showcase > teams page and will be generated when you save the team page for the first time.
The other options is to quickly copy it from the Team showcase > Teams overview this saves you a click

Member shortcode
If you want to show a specific member in your pages you can do so using the member shortcode
