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Asset Types

MVMD uses Schema.org types to describe different kinds of metaverse assets. This guide covers the most important types and when to use them.

Core Types​

CreativeWork​

CreativeWork is the most versatile base type for digital assets. Use it for:

  • Complex assets with multiple components
  • Collections of assets
  • Multi-part creations
  • Assets that don't fit a more specific type
{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "CreativeWork",
  "name": "Digital Asset",
  "creator": {
    "@type": "Organization",
    "name": "Digital Studio"
  }
}

MediaObject Types​

3DModel​

3DModel is the primary type for three-dimensional assets:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "3DModel",
  "name": "Character Model",
  "contentUrl": "https://example.com/model.glb",
  "encodingFormat": "model/gltf-binary"
}

Use for:

  • Virtual objects
  • Character models
  • Environmental elements
  • Interactive props

ImageObject​

ImageObject is used for images, textures, and previews:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "ImageObject",
  "name": "Asset Preview",
  "contentUrl": "https://example.com/preview.jpg",
  "encodingFormat": "image/jpeg",
  "width": "1024",
  "height": "1024"
}

Use for:

  • Asset previews
  • Thumbnails
  • Textures
  • Marketing images

Other Media Types​

Location Types​

Place​

Place is used for digital twins of physical locations:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "Place",
  "name": "Digital Museum Twin",
  "description": "Digital twin of the Metropolitan Museum",
  "geo": {
    "@type": "GeoCoordinates",
    "latitude": 40.7794,
    "longitude": -73.9632
  }
}

Use for:

  • Digital twins of real buildings
  • Virtual representations of physical spaces
  • Location-based experiences

VirtualLocation​

VirtualLocation is used for purely virtual spaces:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "VirtualLocation",
  "name": "Fantasy Arena",
  "description": "A floating combat arena in the metaverse",
  "potentialAction": {
    "@type": "JoinAction",
    "target": {
      "@type": "EntryPoint",
      "urlTemplate": "https://meta.example.com/arena"
    }
  }
}

Use for:

  • Virtual meeting spaces
  • Game environments
  • Fantasy locations
  • Abstract spaces

Experience Types​

Event​

Event describes activities happening at a certain time:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "Event",
  "name": "Virtual Concert",
  "startDate": "2023-08-15T19:00:00-07:00",
  "endDate": "2023-08-15T22:00:00-07:00",
  "location": {
    "@type": "VirtualLocation",
    "name": "Concert Arena",
    "url": "https://meta.example.com/concert"
  }
}

Use for:

  • Timed experiences
  • Virtual performances
  • Scheduled activities
  • Limited-time offers

SoftwareApplication​

SoftwareApplication is for interactive applications:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "SoftwareApplication",
  "name": "Interactive Experience",
  "applicationCategory": "Game",
  "operatingSystem": "WebXR"
}

Use for:

  • Games and applications
  • Interactive experiences
  • Tools and utilities
  • Educational simulations

Type Selection Guidelines​

  1. Specificity: Choose the most specific type that fits your asset
  2. Purpose: Consider how the asset will be used and discovered
  3. Properties: Select types that support the properties you need
  4. Relationships: Consider how the type relates to other assets

Combined Types​

You can use additionalType to indicate an asset belongs to multiple categories:

{
  "@context": {
    "@vocab": "https://schema.org/",
    "mvmd": "https://mvmd.org/v1/"
  },
  "@type": "CreativeWork",
  "additionalType": "VirtualLocation",
  "name": "Interactive Gallery Experience",
  "description": "Both a creative work and a virtual location"
}