How to update value of second component automatically

Question

I have a relationship between two components, and both share the same property, 'acCurrent.' If I change the value of one component, I want the value of the second component to automatically change to the same value as the first component. How is this possible?

Answer 1

Hello @Ajinkya,

welcome to this moderated Azure community forum.

When an Azure Digital Twin twin property is changed, the Azure Digital Twins runtime can emit a change event.

Some custom logic like another Azure Function can listen to the property changes and act on them using the routing:

An example is seen in this blog post.

There, a code sample is described, found in the GitHub repo.

Try it out yourself, finding eg. the parent by doing graph traversal.

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