Scripting

[MeghanaK8992225]

Hi everyone,

I want to start learning scripting in ServiceNow from the basics.
Can anyone guide me on:

1. From where should I start?

2. Which scripting topics should I learn first?

3. What is the correct order to learn ServiceNow scripting?

4. Which scripting areas are most important for a ServiceNow Developer role?

5. Any good practice scenarios or resources for beginners?

Currently, I know basic ServiceNow administration and now I want to move into scripting and development.

Thanks in advance.

[yashkamde]

Hello @MeghanaK8992225 ,

Refer this for detailed understanding..

Introduction to Scripting in ServiceNow 

If my response helped mark as helpful and accept the solution.

[Ankur Bawiskar]

@MeghanaK8992225 

start participating in community where you get to know real-time business requirements for scripting etc

also check the now learning course

How to learn scripting in ServiceNow (ES5 and ECMA6+ Tokyo release) 

Scripting in ServiceNow Fundamentals 

💡 If my response helped, please mark it as correct ✅ and close the thread 🔒— this helps future readers find the solution faster! 🙏

[SohamTipnis]

Hi @MeghanaK8992225,

If you already know basic admin in ServiceNow, then you’re already on the right path to move into development. My suggestion would be to start slowly and build strong fundamentals instead of directly jumping into advanced scripting.

First, learn basic JavaScript because almost all ServiceNow scripting is based on it. You don’t need to become a JavaScript expert initially, but you should understand variables, functions, loops, conditions, arrays, and objects.

After that, start with client-side scripting in ServiceNow:

• Client Scripts
• UI Policies
• GlideForm (g_form)

These are easier to understand because you can immediately see changes on forms.

Once comfortable, move to server-side scripting:

• Business Rules
• GlideRecord
• GlideSystem (gs)

Out of all topics, GlideRecord is probably the most important for a ServiceNow Developer because it is used everywhere for working with records and tables.

Then gradually learn:

• Script Includes
• GlideAjax
• ACLs
• Catalog scripting
• REST APIs

The best way to learn is through practice. Create small scenarios in your Personal Developer Instance like:

• Auto-fill field values
• Prevent duplicate records
• Hide/show fields based on roles
• Create approval logic
• Auto-create tasks

For resources, the best place to start is

• ServiceNow Developer Site
• ServiceNow Learning Portal

Also watch YouTube tutorials while practicing side by side in a PDI. Just watching videos without hands-on practice usually doesn’t help much.

One more important thing: don’t try to memorize scripts. Focus on understanding:

1. when to use a script,
2. where it runs,
3. and why it is needed.

That understanding is what actually helps in real projects and interviews.

Let me know if this helps you!!!

If you find my answer useful, please mark it as Helpful and Correct. ‌‌‌‌😊

Regards,
Soham Tipnis
ServiceNow Developer || Technical Consultant
LinkedIn: www.linkedin.com/in/sohamtipnis10

[Srikanth_9]

Hi @MeghanaK8992225,

Start your preparation with - ServiceNow Scripting in ServiceNow Fundamentals - ServiceNow University.

Topics that need scripting:

• Client Scripts
• g_form API
• g_user API
• UI Policies
• Business Rules
• GlideSystem API (gs)
• GlideRecord API (CRUD)
• GlideAggregate API
• GlideDateandTime API
• Script Include 
• GlideAjax
• Catalog Client Scripts
• Catalog UI Policies
• Flow Designer Scripts
• ACL scripting
• REST API (Inbound & Outbound)
• Background Scripts
• Scheduled Jobs
• Events & Notifications
• Email Scripts

Refer ServiceNow Community & YouTube videos for more real-time scenarios. Practice them in your PDI.

If the provided solution is useful/working, please Accept as Solution and hit the Helpful. 

Thanks & Regards,

Srikanth Akula.