It's great to be able to use the fields that live on custom objects in Salesforce within our Marketo Smart Lists & Campaigns, but when I want to get an idea of how frequently/where each individual field is used as a constraint or trigger in those lists and campaigns, there is no way to do it on a mass level. You have to look at each use of the entire custom object (which, for one of our custom objects, is hundreds of uses) to see if it uses that constraint or trigger. There should be a way to run a report or access a "used by" list for these constraint and trigger fields on custom objects.
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