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• Quickstart lesson. (Be able to register and install rulesets)

• Events & Queries lesson. (Be able to create channels and understand how events are raised on channels)

• Pico-Based Systems lesson. (Be able to manage the pico lifecycle using Devtools and programmatically)

• Read Wrangler Subscriptions description. 

Subscriptions

Subscriptions play an important role in building systems of picos. In the lesson on Pico-based Systems, you created child picos. If the parent-child relationship was the only one that existed, we could create hierarchies of picos, but not peer-to-peer systems of picos. Subscriptions allow us to establish relationships between any two picos. 

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