Optional ReadonlyapiThe API's own name for the error, from its detailedError.code, when its response carries one.
On an INSUFFICIENT_PERMISSIONS it tells the causes apart: 'Forbidden' when the API is not enabled for
the key, 'InvalidReferer' when the key's domain restriction refused the page.
Optional ReadonlyprivateThe access the API key lacks, on an INSUFFICIENT_PERMISSIONS from a Private Preview API, such as
Calculate Reachable Range or the Landmarks 3D tiles, that named no other cause. The message names it too.
What a TomTom API said about a request it failed, as a service's
SDKServiceErrorand the map'sTomTomMapErrorboth carry it.