How do I customize user roles without breaking something? The permissions are a maze.

SDK instrumentation is a great catch, but you're still only seeing the client side. If the platform's back-end services perform internal permission checks you'll never see, the 403s in your audit log might be a red herring.

The retry logic you mentioned masks failures, but what about calls that succeed because a *different* permission is granting implicit access? Your telemetry shows an attempted graph resolve, but you don't know if it was allowed because of "edit test sheet" or because the user's system role grants a broader "view all metadata" elsewhere.

You need to correlate the telemetry graph with a permissions debug endpoint, if the platform has one, to see which exact permission ID allowed each object fetch. Otherwise you're just mapping attempts, not actual dependencies.

Exactly. A permissions debug endpoint is the missing link between telemetry and actual risk. But even that's brittle if it's undocumented and the vendor changes it without notice.

I've seen platforms where that debug data returns a list of "effective" permissions from multiple policy layers, but not which layer granted it. You might see that "view metadata" was allowed, but you can't tell if it came from the custom role, a system role, or a group membership. You need a trace ID from the telemetry event to pipe directly into the debug call.

Without that granular trace, you're stuck. The dependency map is still a guess.

Starting from an empty role is the only safe way. The clone feature is a trap.

Map the exact objects your Control Owner needs, assign only those permissions, and then test the entire workflow in a staging environment with a real user. You'll find missing pieces fast. The docs won't save you from the hidden dependencies between "edit" and "view" on linked objects.

Your main gotcha is assuming the permission UI reflects the actual authorization model. It often doesn't.

Even with trace IDs, you're still chasing ghosts in a black box. Debug endpoints show what the vendor *wants* you to see.

The real answer is to stop chasing perfect maps in opaque systems. Use deny lists instead of allow lists for critical functions. If you can't see the dependency chain, build a perimeter where it doesn't matter.

The docs are thorough because they have to be, they're basically a liability shield. That "real-world sanity check" you're after? It's usually a few 3am pages from the audit log after you've accidentally given the intern 'view executive compensation.'

Everyone's telling you to start from an empty role, which is fine, but the real trap is thinking you can *finish* a custom role. You can't. That Control Owner role will be a perpetual work in progress because every new feature or object type the vendor adds introduces a new potential dependency. Your best practice is to schedule a quarterly review where you test that role against a dummy version of every new module.

And for the love of compliance, don't just test the happy path. Make the test user try to do things they *shouldn't* be able to do, and watch what happens. Sometimes the error message gives away more data than the successful request would have.

That's a crucial distinction you've called out: seeing an "effective" permission versus knowing its source. I've run into the same wall.

One workaround that's helped me is to use a sacrificial system account. Strip all system roles from a test account, then apply *only* the custom role you're mapping. It's the only way to isolate that custom role's behavior from the layers you mentioned. It's tedious, but it makes the debug endpoint's output meaningful again.

Even then, you're right that the vendor's undocumented changes can pull the rug out. I treat that debug endpoint data as a snapshot for a specific release, not a permanent map.

Sacrificial account is the only reliable method. I run it in a clean, isolated tenant to avoid any inherited group policies from contaminating the results.

> treat that debug endpoint data as a snapshot

That's the operational cost most miss. You have to re-baseline after every major platform release. If you're not automating that snapshot capture into your release review, you're already behind.

Starting from an empty role is the safest way, like others said. But how do you even list all the objects a Control Owner needs without missing one? I'd be worried about hidden view permissions on linked fields that aren't obvious.

I get where you're coming from with the deny list approach, and it's a valid safety net for truly critical functions like financial approvals or user deletion.

But shifting to a deny list mindset doesn't absolve you from mapping the dependencies in the first place. You still have to understand what you're denying, which puts you right back in the black box. If you can't see the full chain for an allow list, you likely can't see it for a deny list either - you're just working from the opposite end of the same opaque model.

That perimeter you mentioned can create a false sense of security if the underlying permissions model has hidden inheritance paths you haven't accounted for.

Your worry is correct. The granularity is a liability if you don't test the full workflow.

Start from an empty role, never clone. For your Control Owner, document the exact test sheet objects and only grant "edit" on those. Then test every adjacent action - viewing linked evidence, adding a comment, exporting. You'll immediately find missing "view" permissions on dependencies the UI doesn't show.

Gotcha: The quarterly review is mandatory. When AuditBoard pushes a new module, that custom role likely gets implicit permissions on it. You need to re-baseline.

That's a solid approach for the initial setup phase. Filtering on 403s will definitely surface missing permissions.

Just remember to keep that filter broad during major platform updates or when testing new workflows. A new feature might return a generic 500 error or a misleading 200 with a permission failure buried in the payload, which your 403 filter could miss. It's easy to create a blind spot if you tune the logging too tightly and then forget to revisit it.

You've hit on the real challenge - that fear of breaking things while trying to make things work. The "empty role" advice you're getting is solid for that Control Owner role.

Here's a practical step to add: before you even build the role, have the Control Owner walk you through their *entire* task, click by click, in a test environment. Record it. That live walkthrough often surfaces "oh, I also need to click this other tab" dependencies that a static list misses entirely.

And I can't stress the quarterly review enough, as others mentioned. When the vendor adds a "Related Items" panel next year, your custom role might automatically get view access to it.

Recording the walkthrough is a brilliant idea, because it documents the *intent* behind the role. I keep those recordings and attach them to the role's documentation. Six months later, when someone asks why a certain obscure permission is granted, you can point to the exact moment in the video where the user said "I need to see this other tab to do my job."

My one caveat to the automated view access point: sometimes it goes the other way. A new panel might be hidden by default for custom roles, breaking a previously working workflow. That's why the quarterly review needs to include re-watching that original walkthrough video and confirming every click still works.