Learning Objectives

Note: inspired by and often copied verbatim from Lesson: Pico State the original second lesson.

After completing this lesson, you will be able to do the following:

• Explain what entity variables are.
• Use rules to mutate entity variables.
• Use functions to simplify usage of entity variables.
• Use entity variables to create persistent picos.
• Understand how rules can use explicit events to chain rules

Prerequisites

You should have completed the following lessons:

• node pico-engine quickstart

• Lesson 1. events and queries

Picos Represent State