{ "$schema": "https://json-schema.org/draft/2020-12/schema", "$id": "https://raw.githubusercontent.com/api-evangelist/gainsight/main/json-schema/gainsight-activity-input-schema.json", "title": "ActivityInput", "x-generated": "2026-10-12", "x-method": "derived", "x-generator": "derive-json-schema.py", "x-source": "openapi/gainsight-activities-api-openapi.yml#/components/schemas/ActivityInput", "type": "object", "required": [ "Subject", "ActivityTypeId", "CompanyId", "ActivityDate" ], "properties": { "Subject": { "type": "string", "description": "Activity subject" }, "Notes": { "type": "string", "description": "Activity notes" }, "ActivityTypeId": { "type": "string", "description": "Activity type identifier" }, "CompanyId": { "type": "string", "description": "Associated company Gsid" }, "ActivityDate": { "type": "string", "format": "date-time", "description": "Date and time of the activity" }, "OwnerId": { "type": "string", "description": "Activity owner user ID" }, "ExternalId": { "type": "string", "description": "External system identifier" }, "Attendees": { "type": "array", "items": { "type": "object", "properties": { "personId": { "type": "string" }, "email": { "type": "string", "format": "email" } } } }, "Sentiment": { "type": "string", "enum": [ "Positive", "Neutral", "Negative" ] } } }