{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://www.gainsight.com/schemas/gainsight/timeline-activity.json",
  "title": "Gainsight Timeline Activity",
  "description": "Represents a timeline activity record in Gainsight CS, capturing customer interactions such as calls, meetings, emails, and notes for a chronological view of the customer relationship.",
  "type": "object",
  "required": ["Subject", "ActivityTypeId", "CompanyId", "ActivityDate"],
  "properties": {
    "Gsid": {
      "type": "string",
      "description": "Activity unique identifier"
    },
    "Subject": {
      "type": "string",
      "description": "Activity subject line"
    },
    "Notes": {
      "type": "string",
      "description": "Activity notes or body content"
    },
    "ActivityTypeId": {
      "type": "string",
      "description": "Activity type identifier"
    },
    "ActivityTypeName": {
      "type": "string",
      "description": "Activity type display name (e.g., Call, Meeting, Email)"
    },
    "CompanyId": {
      "type": "string",
      "description": "Associated company Gsid"
    },
    "CompanyName": {
      "type": "string",
      "description": "Associated company name"
    },
    "ActivityDate": {
      "type": "string",
      "format": "date-time",
      "description": "Date and time of the activity"
    },
    "OwnerId": {
      "type": "string",
      "description": "Activity owner user ID"
    },
    "OwnerName": {
      "type": "string",
      "description": "Activity owner display name"
    },
    "ExternalId": {
      "type": "string",
      "description": "External system identifier for deduplication"
    },
    "Attendees": {
      "type": "array",
      "items": {
        "type": "object",
        "properties": {
          "personId": {
            "type": "string",
            "description": "Gainsight person Gsid"
          },
          "email": {
            "type": "string",
            "format": "email",
            "description": "Attendee email address"
          },
          "name": {
            "type": "string",
            "description": "Attendee name"
          }
        }
      },
      "description": "List of attendees for the activity"
    },
    "Sentiment": {
      "type": "string",
      "enum": ["Positive", "Neutral", "Negative"],
      "description": "Sentiment captured during the activity"
    },
    "CreatedDate": {
      "type": "string",
      "format": "date-time",
      "description": "Record creation timestamp"
    },
    "ModifiedDate": {
      "type": "string",
      "format": "date-time",
      "description": "Record last modification timestamp"
    }
  }
}