Digital Twins Definition Language (DTDL)

Concept

A JSON-LD based language for describing digital twin models with properties, telemetry, components, commands and relationships, used by Azure Digital Twins and IoT Plug and Play.

Title graphic: Digital Twins Definition Language (DTDL) (Concept)

Type	Concept
Documentation	learn.microsoft.com/azure/digital-twins/concepts-models

Episodes about Digital Twins Definition Language (DTDL)

Digital Twins on Azure

2026-10-18

Many digital twin projects start with a 3D factory scene or every PLC tag and end up with a graph nobody can use. This episode is for manufacturing IT and OT architects building on Azure and explains what deserves a twin, how to model identity, state, events…

Glossary

Community wiki

Short info above, community knowledge below: add practical tips, examples or corrections. New contributions are reviewed first; trusted members publish directly.

Experts and companies for this topic

Nobody has listed this topic yet. Add it to your profile.

Sources

Documentation: learn.microsoft.com/azure/digital-twins/concepts-models
Feed for this topic (RSS): entity/digital-twins-definition-language/feed.xml
M365.FM episodes on this topic: 1

Maintained by Mirko Peters (Microsoft MVP) · Last updated: 2026-11-10