Optional
__importOptional
__needsThis can be set to true in the importer to indicate that the source buffer should be loaded and cached in the userdata during processRaw
Optional
__sourceCached source blob for the asset
Optional
__sourceCached source buffer for the asset (only cached when __needsSourceBuffer is set)
Optional
rootGenerated using TypeDoc
extra arbitrary data saved by the importer that can be used by the plugins (like gltf material variants)