These are the following shortcodes you can use for Ultimate LinkedIn Plugin:
[wpli_login_link]
Use this shortcode to display the Sign In link anywhere on your site.
Non-logged in users will see this customized LinkedIn Sign in button.
You can set a custom message via Settings for logged in users. Nothing is shown when this field is left empty.
[wpli_locked_content]
Use this shortcode to hide content for non-logged in users. The locked content will only show to users who have logged in via LinkedIn at least once.
When non-logged in users view the page, the content inside the shortcode will not be visible. See example below.
You can set a custom message via Settings under Locked Content tab which non-logged in users will see.