Here are some key aspects of coding in ServiceNow:

1. Scripting in ServiceNow:

   • ServiceNow uses server-side JavaScript to write scripts that automate processes, customize forms, and create business rules.
   • JavaScript is used for server-side scripting, while client-side scripting often involves JavaScript and HTML/CSS.

2. Script Types:

   • There are various types of scripts in ServiceNow, including Business Rules, Client Scripts, UI Policies, UI Actions, Script Includes, and more.
   • Each script type serves a specific purpose, such as enforcing business logic, enhancing the user interface, or handling server-side processing.

3. Business Rules:

   • Business Rules are server-side scripts that run before or after records are displayed, inserted, updated, or deleted.
   • They are used to enforce data consistency, trigger notifications, and perform other automated actions.

4. Client Scripts:

   • Client Scripts are used for client-side scripting and run in the user’s browser.
   • They can be used to validate form fields, manipulate the display of form elements, and create dynamic behavior.

5. UI Policies and UI Actions:

   • UI Policies define client-side conditions and actions that control the visibility and read/write access of form fields.
   • UI Actions are used to create custom buttons and context menu actions on forms.

6. Script Includes:

   • Script Includes are server-side scripts that can be reused in other scripts.
   • They are useful for encapsulating common functions and classes.

7. Event Handlers:

   • Event Handlers are used to define server-side scripts that respond to specific events, such as record creation or update.

8. Glide APIs:

   • ServiceNow provides a set of Glide APIs (Application Programming Interfaces) that allow developers to interact with and manipulate platform data.
   • Glide APIs provide access to records, tables, and other platform features.

9. Script Debugging and Testing:

   • ServiceNow provides debugging tools and logs for script debugging.
   • Developers can test scripts in a development or test instance before deploying them to a production instance.

10. Script Security:

    • ServiceNow has security measures in place to prevent unauthorized access and execution of scripts.
    • Developers should follow best practices for secure scripting.

11. Documentation and Community:

    • ServiceNow offers extensive documentation and a community forum where developers can find resources, examples, and support.

12. Scripting Best Practices:

    • Following best practices is essential to maintain code quality and ensure that scripts perform efficiently.
    • ServiceNow provides guidelines for coding standards and best practices.