[SalesForce] Critical Update: Require User Access to Apex Classes Invoked by Flow when running user = Automated Process

Given

When

  • Running user = Automated Process (as of V46, by definition)

Then

Flow blows up with Require User Access to Apex Classes Invoked by Flow

But there's no way to assign the Automated Process user's Profile to any Apex class nor can you assign a Permission Set to Automated Process user

e.g.

insert new PermissionSetAssignment(
  AssigneeId = [select id from User where name = 'Automated Process'][0].Id,
  PermissionSetId = [select id from PermissionSet 
         where name = 'Classes_Automated_Process_User_Needs'][0].Id);


System.DmlException: Insert failed. First exception on row 0; first error: 
FIELD_INTEGRITY_EXCEPTION, Can't assign permission set to this user,
                           user license doesn't match: []

Is there another way to assign Automated Process user to a Permission Set or give it access to this invocable apex class?

Critical Update auto-activates 2019-11-30

Best Answer

The real answer was provided by Matt over on Salesforce Success

  1. Get the ProfileId of Automated Process User using Dev Console

     SELECT ProfileId from User WHERE alias = 'autoproc'

  2. Coerce the URL that edits Apex class access for a Profile

     /_ui/system/user/ProfileApexClassPermissionEdit/e?profile_id=theAutomatedProcessProfileId

and you'll get the familiar dialog to assign Apex classes to a Profile.

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