{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/microsoft.graph.chatMessageReaction",
  "title": "chatMessageReaction",
  "required": [
    "@odata.type"
  ],
  "type": "object",
  "properties": {
    "createdDateTime": {
      "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])$",
      "type": "string",
      "description": "The timestamp type represents date and time information using ISO 8601 format and is always in UTC. For example, midnight UTC on Jan 1, 2014 is 2014-01-01T00:00:00Z.",
      "format": "date-time"
    },
    "displayName": {
      "type": "string",
      "description": "The name of the reaction.",
      "nullable": true
    },
    "reactionContentUrl": {
      "type": "string",
      "description": "The hosted content URL for the custom reaction type.",
      "nullable": true
    },
    "reactionType": {
      "type": "string",
      "description": "The reaction type. Supported values include Unicode characters, custom, and some backward-compatible reaction types, such as like, angry, sad, laugh, heart, and surprised."
    },
    "user": {
      "$ref": "#/components/schemas/microsoft.graph.chatMessageReactionIdentitySet"
    },
    "@odata.type": {
      "type": "string"
    }
  }
}