Navigate to Line Developer Portal and login via your Line account. If you don’t have a Line account, you need to create one first.
Click Create button in front of Providers section.
Name the provider. It should be related to your website. click on Register.
Click on Create a LINE Login channel.
Upload an icon (optional), enter Channel name and description. These details will be displayed to the website visitors in the Line login popup. These should be related to your website. Select Web app in App types, specify your email address, agree to Line developers agreement. Click Create button.
Click developing right below the title of the channel and click Publish.
Click Edit button right below the Callback URL option in LINE Login section and save [HOMEPAGE_URL]/SuperSocializerAuth/Line Replace [HOMEPAGE_URL] with url of homepage of your website. So, if url of the homepage of your website is https://mywebsite.com, you need to save https://mywebsite.com/SuperSocializerAuth/Line as the callback url. Click Update button.
Navigate to Basic Settings section, copy Channel ID and Channel secret and paste these in the Line Channel ID and Line Channel Secret options respectively, in the Social Login section of plugin.