Send email after attendee marked as Checked-In Post date Home › Forums › Ticket Products › Event Tickets Plus › Send email after attendee marked as Checked-In This topic has 0 replies, 3 voices, and was last updated 8 years ago by Support Droid. Viewing 1 post (of 1 total) Author Posts March 12, 2018 at 2:14 pm #1476919 Support DroidKeymaster This support thread is private. Author Posts Viewing 1 post (of 1 total) The topic ‘Send email after attendee marked as Checked-In’ is closed to new replies. → Please verify your API key is correctly entered on the settings