Low-Code Application Development with Appian

Chapter 14: Expressing Logic with Appian

You already wrote some code in Appian expression rules to query data from records. I showed you how to use a Decision to implement dynamic task assignments as well. Let's now dive a bit deeper and learn more about how to implement flexible business logic in Appian.

In this chapter, you will get a detailed understanding of the following Appian objects:

• Decisions—simple logic in a visual designer
• Constants—managing literals and application configuration
• Expressions—complex logic expressed in text
• Best practices

Decisions – simple logic in a visual designer

Let's have a brief look here at the decision you created for a dynamic assignment:

Figure 14.1 – Dynamic assignment decision

Here, we take the ...