Watch our latest live stream where we cover actors in XState. Learn more about common use cases, more complex state machines, and the actor model.

Chapters

Watch the video to find out about actors in XState V5:

• 0:00 Intro
• 1:10 Team intros
• 1:32 XState V5: actor first
• 2:08 Modeling a cocoa dispensing machine in the Studio
• 10:34 Modeling actors
• 12:23 Actor sequence diagram
• 15:32 Adding implementation details
• 22:01 Spawning actors
• 26:15 Callback actors
• 29:37 Inspect your actor system
• 34:00 Actor communication
• 37:57 Difference between invoked and spawned actors
• 38:49 Generating a React app from your machine
• 39:29 Spawning arrays of actors
• 42:24 Managing and modeling spawned actors
• 49:33 Enqueue actions
• 52:19 Why are actions not called effects?
• 53:13 What is a good example of output from a child actor to a parent actor?
• 1:01:01 Migrating from XState V4 to V5
• 1:01:41 Promise actors
• 1:03:37 Transition actors
• 1:04:43 Wrap up

Links and further resources

• Want to get into the basics of XState?
• XState V5 release blog post
• Partial event descriptors
• TLDraw
• Generate React app with Stately
• CodeSandbox code
• Use setup(...) to specify types
• Blog post on Sources
• Request features at
• Stately Inspector
• Migrating to XState V5 docs
• Migrating to XState V5 webinar
• Promise actors
• Transition actors
• Observable actors
• Callback actors
• Stately Studio
• Join our Discord

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