Interoperable Conversation Envelope Specification Version 0.9.0, (The Conversation Envelope is a universal JSON structure whose purpose is to allow human or automatic agents (assistants) to interoperably participate in a conversation.) https://github.com/open-voice-interoperability/docs/blob/main/specifications/DialogEvents/1.0.1/InteropDialogEventSpecs.md
Interoperable Dialog Event Object Specification Version 1.0.1, (The purpose of a dialog event is to define a generic standardized data structure that can be used in any component of a dialog system to express a ‘language event’, that is to say, any features associated with a phrase, utterance or part of an utterance.) https://github.com/open-voice-interoperability/docs/blob/main/specifications/ConversationEnvelope/0.9.3/InteroperableConvEnvSpec.md