Chris Hocking

Legend, thank you! I've passed this on to the ProApps team. I'll keep you posted if I hear anything back. I'm assuming `tccutil reset All` didn't fix your problem?

FWIW - I've been able to get this to work in Motion using the `FxBrightness` sample app from the FxPlug v4.2.9 SDK using this code: ```swift @objc func pushButton() {...

Interestingly, whilst this works in Motion, it doesn't in Final Cut Pro: ```swift @objc func pushButton() { let setParamAPI = _apiManager!.api(for: FxParameterSettingAPI_v5.self) as! FxParameterSettingAPI_v5 let dynamicParamAPI = _apiManager!.api(for: FxDynamicParameterAPI_v3.self) as!...

Note to self, I did also try using `FxCustomParameterActionAPI_v4 `, but you shouldn't use that in buttons anyway, and it doesn't work due to: ``` A plugin attempted to call...

Apple confirms: > The dynamic parameter API doesn’t do what you want in FCP. This is a known limitation. I thought we had documented this somewhere, but I’m not finding...

Amazing! Thanks Joe! I will add all this information to the FCP Cafe Bug Tracker page!

Interestingly, you can seem to do this via button, so the API is working, but maybe you can trigger it from an OSC? ```swift @objc func pushButton() { let setParamAPI...

I'll pass on to FCP Team.

@stevef243 - Apple says: > The sysdiagnose you provided did not show any hangs or spins pertaining to FCP. Can you please attach a sysdiagnose from the computer that had...

It's possible I could have accidentally included my system logs - as the Feedback Assistant Mac app will automatically grab all your log files - although I did link to...