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Scheduling a Salesforce autolaunched Flow

In the Winter ’20 release, Salesforce introduced scheduling autolaunched flows, which made it possible to schedule actioons decalatively within Salesforce. Prior to that, the only way to schedule anything in Salesforce was through Asynchgronous Apex, specificaly by implemeting the Schedulable interface. 

To schedule autolaunched flows, you need to specify the date and time the flow will run as well as its run frequency: once, daily, or weekly. Optionally, you can specify a specific Object with a filter that returns specific records of that Object, where the flow would run against. 

Here’s the session explaining scheduling Salesforce autolaunched flows, with 2 demos ar the end:

  1. Scheduling sending an email using the “Send Email” action
  2. Scheduling mass-updating Account records on a daily basis

These considerations apply to scheduled flows.

  • A scheduled flow starts at the specified time and frequency. You can’t launch a scheduled flow by any other means.
  • The Start Time field value is based on the org’s default time zone.
  • The View All Data permission is required to activate an autolaunched flow that has a trigger.
  • The maximum number of scheduled flow interviews per 24 hours is 250,000 or the number of user licenses in your org multiplied by 200, whichever is greater.

    If you specify an object so the flow runs for a batch of records, set the time, frequency, and record conditions to avoid reaching this limit. You can use debug logs to check how many records a scheduled flow runs on. Track the number of records with the FLOW_START_SCHEDULED_RECORDS event. If your org reaches the limit, Salesforce sends a flow error email.

  • If you delete a scheduled flow from the Scheduled Jobs page in Setup, all future recurrences of that flow are canceled. To enable future runs, deactivate and reactivate the flow.
  • A scheduled flow doesn’t run if it’s scheduled to run once with a date and time that has already passed.
  • The Automated Process user runs scheduled flows.
  • If you need a scheduled flow to invoke Apex code, don’t activate the Require User Access to Apex Classes Invoked by Flow critical update. When that critical update is activated, the scheduled flow fails when it invokes Apex.
  • If you configure an Update Records element to use the ID and all field values from the $Record global variable, enable Filter inaccessible fields from flow requests in your org’s process automation settings. Otherwise, the flow fails because the Update Records element tries to set the values for system fields and other read-only fields.
  • When you define multiple filters, the filter logic usually defaults to AND. However, if multiple filters have the same field selected and use the equals operator, the filters are combined with OR.

    For example, your filters check whether a case’s Type equals Problem (1), Type equals Feature Request (2), and Escalated equals true (3). At run time, the filters are combined to (1 OR 2) AND 3.