{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.conversation",
  "title": "microsoft.graph.conversation",
  "allOf": [
    {
      "$ref": "#/components/schemas/microsoft.graph.entity"
    },
    {
      "title": "conversation",
      "required": [
        "@odata.type"
      ],
      "type": "object",
      "properties": {
        "hasAttachments": {
          "type": "boolean",
          "description": "Indicates whether any of the posts within this Conversation has at least one attachment. Supports $filter (eq, ne) and $search."
        },
        "lastDeliveredDateTime": {
          "pattern": "^[0-9]{4,}-(0[1-9]|1[012])-(0[1-9]|[12][0-9]|3[01])T([01][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]([.][0-9]{1,12})?(Z|[+-][0-9][0-9]:[0-9][0-9])$",
          "type": "string",
          "description": "The Timestamp type represents date and time information using ISO 8601 format and is always in UTC time. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z",
          "format": "date-time"
        },
        "preview": {
          "type": "string",
          "description": "A short summary from the body of the latest post in this conversation. Supports $filter (eq, ne, le, ge)."
        },
        "topic": {
          "type": "string",
          "description": "The topic of the conversation. This property can be set when the conversation is created, but it cannot be updated."
        },
        "uniqueSenders": {
          "type": "array",
          "items": {
            "type": "string"
          },
          "description": "All the users that sent a message to this Conversation."
        },
        "threads": {
          "type": "array",
          "items": {
            "$ref": "#/components/schemas/microsoft.graph.conversationThread"
          },
          "description": "A collection of all the conversation threads in the conversation. A navigation property. Read-only. Nullable.",
          "x-ms-navigationProperty": true
        },
        "@odata.type": {
          "type": "string"
        }
      }
    }
  ],
  "x-ms-discriminator-value": "#microsoft.graph.conversation"
}