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Some implementations don't want to include all variables in all link tracking image requests. Use the linkTrackVars and linkTrackEvents variables to selectively include dimensions and metrics in tl() calls.
This variable is not used for page view calls ( t() method).

s.linkTrackEvents in AppMeasurement and Launch custom code editor

The s.linkTrackEvents variable is a string containing a comma-delimited list of events that you want to include in link tracking image requests ( tl() method). The following three criteria must be met to include metrics in link tracking hits:
  • Set the desired event in the events variable. For example, = "event1"; .
  • Set the events variable in linkTrackVars . For example, s.linkTrackVars = "events"; .
  • Set the desired event in the linkTrackEvents variable. For example, s.linkTrackEvents = "event1"; .
s.linkTrackEvents = "event1,event2,event3,purchase";

The default value for this variable is an empty string. If this variable is not defined, all events are included in link tracking image requests. Note that Launch automatically populates this variable based on events set in the interface, so it is always set in implementations using Launch.
Avoid using the Analytics object identifier ( s. ) when specifying events in this variable. For example, s.linkTrackEvents = "event1"; is correct, while s.linkTrackEvents = "s.event1"; is incorrect.


The following link tracking function includes only event1 (not event2 ) in the image request sent to Adobe: = "event1,event2";
s.linkTrackVars = "events";
s.linkTrackEvents = "event1";,"o","Example Custom Link");