nl_tokens: See https : // developers . facebook . com / docs / facebook - pixel / pixel - with - ads / conversion - tracking#advanced_match
pl_tokens: function initFacebookAdvancedMatching ( ) { const normalizedHashedEmail = getNormalizedHashedUserEmail ( user ) ; const advancedMatching = normalizedHashedEmail ? { em : normalizedHashedEmail } : { } ; debug ( 'initFacebookAdvancedMatching:' , advancedMatching ) ; window . fbq ( 'init' , TRACKING_IDS . facebookInit , advancedMatching ) ; /*
  	 * Also initialize the FB pixel for Jetpack.
  	 * However, disable auto-config for this secondary pixel ID.
  	 * See: <https://developers.facebook.com/docs/facebook-pixel/api-reference#automatic-configuration>
  	 */ <mask> . fbq ( 'set' , 'autoConfig' , false , TRACKING_IDS . facebookJetpackInit ) ; window . fbq ( 'init' , TRACKING_IDS . facebookJetpackInit , advancedMatching ) ; }