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Low-Code Application Development with Appian

You're reading from  Low-Code Application Development with Appian

Product type Book
Published in Apr 2022
Publisher Packt
ISBN-13 9781800205628
Pages 462 pages
Edition 1st Edition
Languages
Author (1):
Stefan Helzle Stefan Helzle
Profile icon Stefan Helzle

Table of Contents (22) Chapters

Preface 1. Section 1: No-Code with Appian Quick Apps
2. Chapter 1: Creating an Appian Quick App 3. Chapter 2: Features and Limitations of Appian Quick Apps 4. Chapter 3: Building Blocks of Appian Quick Apps 5. Chapter 4: The Use Cases for Appian Quick Apps 6. Section 2: A Software Project with Appian 7. Chapter 5: Understanding the Business Context 8. Chapter 6: Understanding Business Data in Appian Projects 9. Chapter 7: Understanding Business Processes in Appian Projects 10. Chapter 8: Understanding UX Discovery and the UI in Appian Projects 11. Section 3: Implementing Software
12. Chapter 9: Modeling Business Data with Appian Records 13. Chapter 10: Modeling Business Processes in Appian 14. Chapter 11: Creating User Interfaces in Appian 15. Chapter 12: Task Management with Appian 16. Chapter 13: Reporting and Monitoring with Appian 17. Section 4: The Code in Appian Low-Code
18. Chapter 14: Expressing Logic with Appian 19. Chapter 15: Using Web Services with Appian Integrations 20. Chapter 16: Useful Implementation Patterns in Appian 21. Other Books You May Enjoy

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 amount as input, and depending on a threshold we return one group or another. In general, a Decision object in Appian applies some logic to inputs and returns matching output. The limitation here is that we cannot define any dynamic runtime behavior such as data manipulation or database queries.

But we can configure a decision to do a bit more than just simple input-to-output mapping. Our options are presented here:

  • Hit Policy: Define that only a unique single row can match the first or multiple rows (Rule Order)
  • Logical Operator: Define in which way the input value should be compared
  • Multiple Inputs: Create one or more inputs to implement multiple condition logic
  • Multiple Outputs: Create one or more outputs to return groups of values...
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