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Learning ServiceNow
Learning ServiceNow

Learning ServiceNow: Administration and development on the Now platform, for powerful IT automation , Second Edition

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Learning ServiceNow

Chapter 2. Lists and Forms

In this chapter, we'll discover how lists in ServiceNow are similar to tables in any other relational database, and just what exactly that means for our data. We'll learn how relationships between data are created and stored in these lists, and get a brief introduction to the data types in ServiceNow. While we're at it, we'll also learn how to either personalize or configure how list data is displayed, and edited.

As an integral part of understanding data structures in ServiceNow, we'll also learn about forms and form views, the types of data that you'll see in forms and lists, and how to personalize or configure what data shows up where.

In this chapter, you'll also learn how to create a custom table as part of the foundation for your first application: a Virtual War Room for major incidents. This application will be used to demonstrate various pieces of functionality throughout the ServiceNow platform for the earlier...

List v2 versus List v3

Before we get into a deep discussion about lists and how they work, you should be aware that there are two common versions of the list view in use presently: List v2 and List v3. You can see if the List v3 plugin is enabled in your instance, by going to System Definition | Plugins, and searching for the term: list. If it is enabled, the Status column will show Active with a little green circle. Otherwise, it'll show Inactive.

While List v3 is the latest generation and what we're going to focus on in this book, it is important to understand List v2 as well. This is because all embedded lists, list reports, and hierarchical table lists such as the update set (sys_update_set) table list, all display in List v2 by default, since List v3 does not support those features.

A quick and easy way to tell if you're looking at a List v2 or a List v3, is to check for the personalization gear button List v2 versus List v3. If you see that, then you're looking at a List v2 list. On...

Lists and tables

Lists in ServiceNow can be equated strongly to tables in databases. For the most part, this would be an accurate comparison. Viewing a list, is viewing a representation of a subset of records within a table on ServiceNow's database servers. The columns of that list correspond to fields within the table, and often fields which would show on the form (if configured to do so).

Each table in ServiceNow has a label (a friendly name), and a name. The label is defined in the table dictionary (something we'll discuss later in this chapter), and can contain spaces and other characters that are not allowed in the table's name. The name is often more difficult to remember, but more specific. For example, the label Task may refer to the base task table, problem tasks, catalog tasks, or a multitude of system or custom tables which contain some sort of task. However, the name sc_task is more specific, as a table's name is unique (but its label is not).

Creating a custom...

Forms

As you've seen, forms are where data is displayed in ServiceNow, but you wouldn't want to display every single field in your table to all of your users! For this reason, forms have views that limit which fields are shown, and to whom.

Form views can be configured, or personalized, split into sections, and can contain and display all manner of different kinds of data. Data can be made to be displayed, made read-only, or made editable in forms based on various conditions that we'll discuss in Chapter 6, UI and Data Policies. In this section, we'll briefly go over how to configure and design forms, how to personalize them, and make them your own, and how to configure form sections and related lists. More details on the specific components that'll show up in forms will be covered in later chapters.

Form designer

Let's start by creating a Virtual War Room record. Follow the following steps to create a record in our application that we can use to create and modify...

Summary

In this chapter, we learned about lists—both version 2 and version 3, available in the latest versions of ServiceNow. We learned how to create custom tables, and how to manipulate forms by adding and removing fields as needed. We learned how to build qualifications for the records available in our Virtual War Room table, and how to sort and group by results returned in list view. And we learned how to add related lists to forms, and how to dot-walk through reference fields.

Lists and forms are fundamental to ServiceNow, so don't be afraid to come back and reference this chapter as you read on.

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Key benefits

  • Learn to leverage ServiceNow’s capabilities for improved IT automation by following step-by-step, practical instructions
  • Build core administration, development, and maintenance skills with IT service management in ServiceNow
  • Improve your workflow efficiency by designing and creating responsive and automated workflows, business logic, and front-end automation

Description

This book is an updated version of Learning ServiceNow, that will cover the new and updated features of the ServiceNow platform. It will show you how to put important ServiceNow features to work in the real world, while introducing key concepts via examples of managing and automating IT services. It'll help you build a solid foundation of knowledge, and will demonstrate how to effectively implement and configure modules within ServiceNow. We'll show you how to configure and administer your instance, and then move on to building strong user interfaces and creating powerful workflows. We also cover other key elements of ServiceNow, such as notifications, security, reporting, and custom development. You will learn how to improve and automate your business' workflow and processes. By the end of this book, you will be able to successfully configure and manage ServiceNow like a pro.

Who is this book for?

This book is for IT professionals and administrators who are planning to or are already trying to implement ServiceNow in their organization for Enterprise IT service management tasks. Some familiarity with web technologies (JavaScript) would be helpful. Prior ServiceNow experience is not necessary.

What you will learn

  • • Read and write clear, effective code for
  • the ServiceNow platform
  • • Identify and avoid common pitfalls
  • and missteps that could seriously impact
  • future progress and upgradeability
  • • Use debugging tools to troubleshoot when
  • things go wrong
  • • Discover tips and tricks from top
  • ServiceNow developers, architects, and
  • administrators. Find out what the pros wish
  • they knew when they were starting out
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Publication date, Length, Edition, Language, ISBN-13
Publication date : Jun 20, 2018
Length: 388 pages
Edition : 2nd
Language : English
ISBN-13 : 9781788837040
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ServiceNow
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Estimated delivery fee Deliver to Philippines

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Product Details

Publication date : Jun 20, 2018
Length: 388 pages
Edition : 2nd
Language : English
ISBN-13 : 9781788837040
Vendor :
ServiceNow
Languages :
Tools :

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Table of Contents

16 Chapters
1. The Interface Chevron down icon Chevron up icon
2. Lists and Forms Chevron down icon Chevron up icon
3. UI Customization Chevron down icon Chevron up icon
4. Understanding Data and Relationships Chevron down icon Chevron up icon
5. Tasks and Workflows Chevron down icon Chevron up icon
6. UI and Data Policies Chevron down icon Chevron up icon
7. User Administration and Security Chevron down icon Chevron up icon
8. Introduction to Scripting Chevron down icon Chevron up icon
9. The Server-Side Glide API Chevron down icon Chevron up icon
10. The Client-Side Glide API Chevron down icon Chevron up icon
11. Server-Side Scripting Chevron down icon Chevron up icon
12. Client-Side Scripting Chevron down icon Chevron up icon
13. Service Portal Scripting Chevron down icon Chevron up icon
14. Debugging Chevron down icon Chevron up icon
15. Pro Tips Chevron down icon Chevron up icon
Index Chevron down icon Chevron up icon

Customer reviews

Top Reviews
Rating distribution
Full star icon Full star icon Full star icon Full star icon Half star icon 4.3
(16 Ratings)
5 star 75%
4 star 6.3%
3 star 0%
2 star 12.5%
1 star 6.3%
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Top Reviews

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Odell Green Feb 02, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I had already purchased this publication; however, with the addition of the AI and interactive features it has made the content come alive!
Feefo Verified review Feefo
Rodrigo Muniz da Rosa Oct 06, 2018
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Estou começando a estudar ServiceNow agora. Este livro é excelente, pois aborda o conteúdo de forma profunda de um jeito que todos possam entende-se naturalmente.
Amazon Verified review Amazon
Kayla Keefer Feb 02, 2024
Full star icon Full star icon Full star icon Full star icon Full star icon 5
I have been using ServiceNow for a while and this book is an excellent resource for beginners learning about the platform.
Amazon Verified review Amazon
gourab Oct 23, 2019
Full star icon Full star icon Full star icon Full star icon Full star icon 5
good
Amazon Verified review Amazon
LinnieX Jun 26, 2021
Full star icon Full star icon Full star icon Full star icon Full star icon 5
Informative and on-point, the writer gets down to the basics and doesn’t mess around. This helps everyone build their confidence early and by the end of the book you feel like you just might know what you are doing. The book was written by a well informed dev with lots of experience. This is my go-to for anyone asking how to learn ServiceNow. Looking forward to more servicenow content.
Amazon Verified review Amazon
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