code: function recordParamsInFloodlightGtag( params ) {
  	if ( ! isAdTrackingAllowed() || ! isFloodlightEnabled ) {
  		return;
  	}
  
  	// Adds u4 (user id) and u5 (anonymous user id) parameters
  	const defaults = assign( floodlightUserParams(), {
  		// See: https://support.google.com/searchads/answer/7566546?hl=en
  		allow_custom_scripts: true,
  	} );
  
  	const finalParams = [ 'event', 'conversion', assign( {}, defaults, params ) ];
  
  	debug( 'recordParamsInFloodlightGtag:', finalParams );
  
  	window.gtag( ...finalParams );
  }
docs: Records Floodlight events using Gtag and automatically adds `u4`, `u5`, and `allow_custom_scripts: true`.
  
  @param {Object} params An object of Floodlight params.