IS_REENGAGEMENT
A option enable re-engagement-feature of attribution. ("off" | "on_true" | "on_false")
Note
"off" uses touchpoint from install and deeplink event.
"on_true" uses touchpoint from deeplink event only. Can be used by re-engagement campaign.
"on_false" uses touchpoint from install event only. Can be used by UA(user-acquisition) campaign.