To run a custom query, navigate to Analytics and click Explore Data.
There are three types of queries you can run:
Count sessions: Display a bar chart with the number of sessions per day, within the selected timeframe, where all selected events occurred. You can filter out sessions by adding criteria as well as create a stacked bar chart by grouping by user metadata.
Count users: Display a bar chart with the number of unique users per day, within the selected timeframe, with any session(s) where all selected events occurred. You can filter out users by adding criteria as well as create a stacked bar chart by grouping by user metadata.
Funnel: Display a conversion funnel to show the rate at which individual sessions that include the initial step include the subsequent steps.