Show or hide columns in a list or library form based on internal columns (eg PromotedState)

[paxvas]

What type of issue is this?

Question

What SharePoint development model, framework, SDK or API is this about?

Declarative list formatting

Target SharePoint environment

SharePoint Online

What browser(s) / client(s) have you tested

• [ ] 💥 Internet Explorer
• [X] 💥 Microsoft Edge
• [X] 💥 Google Chrome
• [ ] 💥 FireFox
• [ ] 💥 Safari
• [ ] mobile (iOS/iPadOS)
• [ ] mobile (Android)
• [ ] not applicable
• [ ] other (enter in the "Additional environment details" area below)

Additional environment details

• browser version
• SPFx version
• Node.js version
• etc

Issue description

I want to show or hide fields in a page library based on the the page type (Sitepage or news). Therefore I tried many conditional formulas targeting the internal field PromotedState (type number should be supported) to hide news specific fields from normal sitepages. with following sample formulas:

=if([$PromotedState]>1,'true','false') =if([$PromotedState] >= 1, 'true', 'false') =if([$PromotedState] == '1'||[$PromotedState] == '2', 'true', 'false')

But none of them seemed to work. Are hidden/system fields not allowed in this context. If NO why? And can this be changed as this would be a feature for news/content pages without the need to have multiple content types and i can use the standard menues then.

Please be kind to explain me how it works. THX in advance Janko

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