Step 1: Open up the dashboard you'd like to edit the schedule of.
Step 2: Click the envelope/message icon on the upper-right hand corner of the dashboard.
Step 3: If you're looking to turn off the schedule, click the X icon next to the Frequency section in the Share modal. If you are looking to edit the schedule do so as you see fit. For more information on formatting your email text with markdown check out our support article.
Step 4: Click Save.