Implementation Overview

This section provides practical guidance for implementing MVMD in real-world applications. You'll find workflow-based implementation guides organized by use cases to help you integrate metadata effectively.

Use Case-Based Implementation

We've organized our implementation guides based on common use cases, making it easier to find relevant guidance for your specific requirements:

Basic Asset Implementation

Every implementation starts with properly structured metadata for your digital assets:

• Define clear type declarations with Schema.org vocabulary
• Include required properties for discoverability
• Add specialized properties for specific use cases
• Set up proper relationships between components

Learn about Basic Asset Implementation

Cross-Platform Assets

When implementing assets that need to work across multiple platforms:

• Provide format variations for different platform requirements
• Define technical specifications for each platform
• Implement fallback behaviors for unsupported features
• Ensure visual and functional consistency

Explore Cross-Platform Implementation

Interactive Assets

For implementing assets that respond to user interaction:

• Define interaction points and behaviors
• Create state transitions based on user actions
• Link interactions to animations and feedback
• Establish connections between interactive components

Discover Interactive Asset Implementation

Discovery and Search Optimization

To make your assets easily discoverable:

• Optimize core metadata for search visibility
• Add rich media for visual discovery
• Create semantic relationships with related content
• Enhance marketplace presence with specialized properties

Learn about Discovery Optimization

NFT Metadata

For blockchain-connected assets, MVMD provides standards-compliant approaches:

• Maintain compatibility with ERC-721/ERC-1155 standards
• Enhance NFT metadata with rich structured data
• Support multi-platform NFT discoverability
• Enable verifiable authenticity and provenance

Explore NFT Implementation

Composable Systems

For complex, multi-component assets:

• Implement structural relationships between components
• Define assembly patterns and constraints
• Create flexible, extensible component systems
• Support cross-platform composition

Discover Composable Implementation

Implementation Workflow

The general workflow for implementing MVMD metadata follows these steps:

1. Identify Your Use Case: Determine which implementation guide best fits your needs
2. Select Relevant Profiles: Choose the appropriate integration profiles
3. Incorporate Technical Standards: Add necessary standard-specific properties
4. Implement Required Properties: Ensure all required properties are included
5. Add Optional Properties: Enhance with optional properties as needed
6. Validate Your Metadata: Use our validation tools
7. Test Cross-Platform: Verify functionality across target platforms

Implementation Examples by Asset Type

Asset Type	Primary Profile	Key Implementation Guide	Related Standards
Wearable Items	Attachable	Cross-Platform Assets	glTF, VRM
Equipment	Attachable	Interactive Assets	glTF, OpenXR
Avatars	Avatar	Cross-Platform Assets	VRM, glTF
Virtual Spaces	Scene	Composable	USD, glTF
Collectibles	Composable 3D NFT	NFT Metadata	glTF, C2PA
Digital Twins	Digital Twin	Discovery Optimization	USD, CityJSON

Implementation Best Practices

Regardless of your specific use case, follow these principles:

• Consistency: Use standardized naming and structure patterns
• Precision: Include only necessary data at the appropriate level
• Scalability: Design for future expansion and additions
• Interoperability: Ensure compatibility across platforms
• Validation: Regularly validate against schema requirements

Review Implementation Best Practices

Getting Started

1. Start with the Getting Started guide
2. Choose the appropriate use case for your implementation needs
3. Use our templates for consistent implementation
4. Validate your implementation with our schema validation tools

Related Resources

Concepts

• Metadata Fundamentals: Core principles
• Types of Assets: Schema.org types to use
• Linking vs Embedding: Reference patterns

Profiles

• Integration Profiles Overview: Ready-to-use patterns
• Basic Profile: Foundation for all implementations
• Attachable Profile: For wearable and equipable items

Standards

• Schema.org: Core vocabulary for implementation
• glTF: Implementation patterns for glTF assets
• USD: Implementation patterns for USD assets

Validation

• Schema Validation: Validating your implementation