Optional
descriptionDescription of the contribution/type
Optional
idFully qualified identifier of the contribution/type
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visibleVisibleTo can be used to restrict whom can reference a given contribution/type. This value should be a list of publishers or extensions access is restricted too. Examples: "ms" - Means only the "ms" publisher can reference this. "ms.vss-web" - Means only the "vss-web" extension from the "ms" publisher can reference this.
Base class shared by contributions and contribution types