Is it possible to create a shared field for all documents of the same type in Sanity.io?

Hey everyone!
Does anyone know if it is possible to create a shared field for all documents of the same type. The idea would be that the user can input a custom value to field X for example in the first document and that value would then be shared by ALL documents of the same type.

👋 I’d put that field in a document of its own. You could then either put it in a reference field in the documents that need to use it for easy editor access, or since you know that all documents are going to reference it you can leave it out entirely and just handle stitching it together with GROQ later.

Yeah or in a settings document. You could also create an action that updates the other documents on publish. So you update the field in one doc, click publish, and it patches the other docs.