sourceId

{
  "@type": "MessageAction",
  "@key": ["source", "sourceId", "@type"],
  "source": "imessage",
  "sourceId": "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5",
  "timestamp": "2026-05-09T18:22:07.000Z",
  "agent": {
    "@type": "Agent",
    "@key": ["@type", "source", "handle"],
    "source": "icloud",
    "handle": "alex@example.com",
    "name": "Alex Chen",
    "sameAs": [
      {
        "@type": "Agent",
        "@key": ["@type", "source", "handle"],
        "source": "email",
        "handle": "alex@example.com"
      }
    ]
  },
  "object": {
    "@type": "Message",
    "@key": ["@type", "source", "sourceId"],
    "source": "imessage",
    "sourceId": "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5",
    "body": "Found the trailhead!",
    "recipient": [
      {
        "@type": "Person",
        "@key": ["@type", "source", "handle"],
        "source": "phone",
        "handle": "+15555550123",
        "sameAs": ["@me"]
      }
    ],
    "contains": [
      {
        "@type": "ImageObject",
        "@key": ["source", "sourceId"],
        "source": "imessage",
        "sourceId": "E4A7C2D9-1B6F-4F3A-8C5E-7D2B9A0F6E13",
        "contentPath": "/Users/sam/Library/Messages/Attachments/4f/15/trailhead.jpg",
        "mimeType": "image/jpeg",
        "description": "trailhead.jpg"
      }
    ]
  }
}

{
  "@context": {
    "@vocab": "https://schema.chronicle.app/",
    "doc": "https://schema.chronicle.app/docs/"
  },
  "@type": "MessageAction",
  "doc:key": {
    "@list": ["source", "sourceId", "@type"]
  },
  "source": "imessage",
  "sourceId": "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5",
  "timestamp": {
    "@value": "2026-05-09T18:22:07.000Z",
    "@type": "http://www.w3.org/2001/XMLSchema#dateTime"
  },
  "agent": {
    "@type": "Agent",
    "doc:key": {
      "@list": ["@type", "source", "handle"]
    },
    "source": "icloud",
    "handle": "alex@example.com",
    "name": "Alex Chen",
    "sameAs": [
      {
        "@type": "Agent",
        "doc:key": {
          "@list": ["@type", "source", "handle"]
        },
        "source": "email",
        "handle": "alex@example.com"
      }
    ]
  },
  "object": {
    "@type": "Message",
    "doc:key": {
      "@list": ["@type", "source", "sourceId"]
    },
    "source": "imessage",
    "sourceId": "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5",
    "body": "Found the trailhead!",
    "recipient": [
      {
        "@type": "Person",
        "doc:key": {
          "@list": ["@type", "source", "handle"]
        },
        "source": "phone",
        "handle": "+15555550123",
        "sameAs": ["@me"]
      }
    ],
    "contains": [
      {
        "@type": "ImageObject",
        "doc:key": {
          "@list": ["source", "sourceId"]
        },
        "source": "imessage",
        "sourceId": "E4A7C2D9-1B6F-4F3A-8C5E-7D2B9A0F6E13",
        "contentPath": "/Users/sam/Library/Messages/Attachments/4f/15/trailhead.jpg",
        "mimeType": "image/jpeg",
        "description": "trailhead.jpg"
      }
    ]
  }
}

@prefix : <https://schema.chronicle.app/> .
@prefix doc: <https://schema.chronicle.app/docs/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

[
  a :MessageAction;
  doc:key ("source" "sourceId" "@type");
  :source "imessage";
  :sourceId "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5";
  :timestamp "2026-05-09T18:22:07.000Z"^^xsd:dateTime;
  :agent [
    a :Agent;
    doc:key ("@type" "source" "handle");
    :source "icloud";
    :handle "alex@example.com";
    :name "Alex Chen";
    :sameAs [
      a :Agent;
      doc:key ("@type" "source" "handle");
      :source "email";
      :handle "alex@example.com"
    ]
  ];
  :object [
    a :Message;
    doc:key ("@type" "source" "sourceId");
    :source "imessage";
    :sourceId "9B1C5E2A-7F43-4D8E-A6B0-3C2F9E14D7A5";
    :body "Found the trailhead!";
    :recipient [
      a :Person;
      doc:key ("@type" "source" "handle");
      :source "phone";
      :handle "+15555550123";
      :sameAs "@me"
    ];
    :contains [
      a :ImageObject;
      doc:key ("source" "sourceId");
      :source "imessage";
      :sourceId "E4A7C2D9-1B6F-4F3A-8C5E-7D2B9A0F6E13";
      :contentPath "/Users/sam/Library/Messages/Attachments/4f/15/trailhead.jpg";
      :mimeType "image/jpeg";
      :description "trailhead.jpg"
    ]
  ]
] .

{
  "@type": "Entity",
  "@key": ["@type", "source", "sourceId"],
  "source": "example-notes",
  "sourceId": "note-1042",
  "name": "Seed order for spring",
  "url": "https://notes.example.com/n/1042"
}

{
  "@context": {
    "@vocab": "https://schema.chronicle.app/",
    "doc": "https://schema.chronicle.app/docs/"
  },
  "@type": "Entity",
  "doc:key": {
    "@list": ["@type", "source", "sourceId"]
  },
  "source": "example-notes",
  "sourceId": "note-1042",
  "name": "Seed order for spring",
  "url": "https://notes.example.com/n/1042"
}

@prefix : <https://schema.chronicle.app/> .
@prefix doc: <https://schema.chronicle.app/docs/> .

[
  a :Entity;
  doc:key ("@type" "source" "sourceId");
  :source "example-notes";
  :sourceId "note-1042";
  :name "Seed order for spring";
  :url "https://notes.example.com/n/1042"
] .