I have a custom object that is Master-Detail to Accounts. What is the cleanest way to use Workflow with Field Updates to update 1 to 28 fields on the Account when they are populated on the custom object?

Would it be 1 workflow rule with 28 field updates? I assume a formula would be better than a criteria based rule? Struggling with how to best approach this, so any help is appreciated!

  • If the custom object is a detail to Account, then Account can have 0,1,2,... details. Hence, when the workflow executes on detail 2, it will smash the 28 values on Account set by detail 1.
    – cropredy
    Commented Jan 26, 2015 at 17:50

1 Answer 1


I would recommend using the new process builder over workflow rules. You can update a record and modify multiple fields in one screen using the values of the record being modified, example: Update Records

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