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

Concepts

Application Development

Author (1):

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

Using integrations

In general, integration is a type of object similar to expression rules. The Usage configuration in the Connection section makes a difference in how an integration is used.

There is the Queries data option. That integration can be used like any other expression rule because it does not change the state of the other system. Appian might call this integration any number of times.

Figure 15.25 – Query type integration

There is also the Modifies data option. This integration can only be used in specific places, as it modifies the state of the other system. Appian makes sure that this integration is only called once to prevent any duplicate updates or inserts in the other system.

Figure 15.26 – Modify type integration

The integration you created is meant to initiate the invoice posting process. You would not want to start that process twice for the same invoice. Make sure that the Modifies data option...