Add-On: Social Sharing
Install & Activate the Add-On
Setup the Social Sharingback to menu
Step 1: Add a "Click" Action to a Layer
Step 2: Choose one of the new Social Sharing options
Step 3: Choose what url you'd like to Share
Or you can choose to share the current page’s URL, which is the default option for regular Gallery-based sliders (a.k.a. “Default Slider”).
Step 4: Choose optional text to include
Optional text is available when when sharing on Twitter, Pinterest and LinkedIn.