You may find you have a need to set up an Event Manager event that would be run regularly but only individually and separately from your daily scheduled events.
Creating a one-time event allows you to save any specific criteria you want for the event, but the event will not be in the daily scheduled events.
This could be an event such as the Lockbox Import event, where the user will be running the event with a specific layout file and import file for the criteria each time, but the event will be run before the daily end-of-day Run All scheduled events.
The Event will now be available to run from Event Manager > View > One Time Instances, and the settings you entered on the Criteria screen will be saved.
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