Step 1: From the dashboard, click on Optin Link
Step 2: Click Create a new Optin link
Step 3: Upload image, enter redirect URL or redirect image URL, meta title, meta description and then click on Submit.
Step 4: Enter Campaign name, select page or pages, Click Link, and then enter your message
Step 5: You can also enable comment bot, Post now or Schedule the post and then click Submit.
Step 6: After sharing the link to Facebook, click on Optin link, click on the option icon at the top and the select leads.
Step 7: Now click on Export to CSV