Get metadata properties

Scope properties to a specific list/app. Scoping is strict: the response carries only that list's definitions, not the workspace-global ones that also apply to its records. Call once with list_id and once without to see everything a write could resolve against.

When false, return property definitions without hydrating select/multiselect option rows. Defaults to true server-side (parseIncludeOptions). Accepts boolean or query-string forms (true/false/0/1). Uses anyOf (not oneOf) so qs/AJV boolean-vs-string ambiguity does not 400 when Speakeasy SDKs send include_options=true.

Case-insensitive substring match on the property name. Use this to find an existing property before creating a new one.