V2/Concepts/Preparing for Expression Creation

What is needed to create an Expression

Pre-requisites

A rule requires design and logical programing in order for it to work correctly. If this is your first time creating a rule, please read this guide first.

You should also be familiar with the basic measurements and its concepts. Please read this section if you require a refresher.

You should

• Know what event the Rule should detect.
• Know what you would like Senfi to do (Action) when the event is detected
• Have already created the Input measurement & metrics.
• Know the thresholds or values which indicates occurrence of event.
• Be able to send records to Input measurement & metric.
• (Optional) Be able to send simulated records to Input measurement & metric (to simulate occurrence of event or situation)