{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/flowise/main/json-schema/flowise-chat-message-schema.json", "title": "ChatMessage", "description": "A single chat message persisted by a Flowise chatflow.", "type": "object", "properties": { "id": { "type": "string", "format": "uuid" }, "role": { "type": "string", "enum": ["userMessage", "apiMessage"] }, "chatflowid": { "type": "string", "format": "uuid" }, "content": { "type": "string" }, "sourceDocuments": { "type": ["string", "null"] }, "usedTools": { "type": ["string", "null"] }, "fileAnnotations": { "type": ["string", "null"] }, "fileUploads": { "type": ["string", "null"] }, "agentReasoning": { "type": ["string", "null"] }, "action": { "type": ["string", "null"] }, "chatType": { "type": "string", "enum": ["INTERNAL", "EXTERNAL"] }, "chatId": { "type": "string" }, "memoryType": { "type": ["string", "null"] }, "sessionId": { "type": ["string", "null"] }, "createdDate": { "type": "string", "format": "date-time" } }, "required": ["id", "role", "chatflowid", "content"] }