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Microsoft Dynamics NAV Development Quick Start Guide

You're reading from   Microsoft Dynamics NAV Development Quick Start Guide Get up and running with Microsoft Dynamics NAV

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Product type Paperback
Published in Dec 2018
Publisher Packt
ISBN-13 9781789612769
Length 210 pages
Edition 1st Edition
Languages
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Author (1):
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Alexander Drogin Alexander Drogin
Author Profile Icon Alexander Drogin
Alexander Drogin
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Table of Contents (10) Chapters Close

Preface 1. Getting Started with the NAV Development Environment FREE CHAPTER 2. Codeunits - Structuring C/AL Code 3. Tables - Creating Data Structure 4. Designing User Interface 5. Exchanging Data with XML Ports 6. NAV Event Model 7. Presenting Data in Reports 8. Debugging Your Code 9. Other Books You May Enjoy

Function parameters and return values

In the previous example, we simply call a function that displays a hardcoded message. But if we want to make the function more flexible and able to show different text, we must pass a text parameter into the function. Function parameters in NAV are declared in the same way as functions themselves. A line of code representing the function declaration in the code editor is not editable. Parameters are described in a separate editor window instead. In this section, we will see how to pass parameters to a function and return a resulting value from it.

How to add parameters to a function

Let's modify the codeunit so that the message to be shown to the user will be passed in the function...

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