Working with rules and scripts
Guidelines
I think this will become the longest section
Don't forget to address JSR233 or other alternatives to the DSL that will be built into OH 2
Event driven development
Format and structure of rules
Difference between actions and posting sending things to items
Functions
Group.members manipulation and how it can help simplify your rules
How to figure out what to import
Working with Time
Working with Timers
Casting to appropriate types and when that is necessary
Working with Numbers
Working with States
Lambdas -> in advanced openhab
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