Sanitized SVG icon markup, or null when the singleton has no icon.
Stable, immutable identity of the installed singleton, distinct from slug.
The singleton's publishing organization; the top-level organizationId is the installing one.
Qualified, globally-unique handle of the installed singleton (e.g. sanity/<name>).
The always-present fields of an active singleton installation returned by the Installations API (
/installations), before any InstallationInclude.See
https://www.sanity.io/docs/http-reference/applications-api