All You Need to Know About ServiceNow Development

Learn the basics of ServiceNow, including the user interface, tables and records, and the data versus configuration distinction. Discover update sets and the dev, QA, and production instance workflow.

Explore the ServiceNow user interface, including the banner, navigation pane, and content area, plus top-bar tools like profile, search, and settings for theme personalization.

Explore tables and records in ServiceNow, using an Excel sheet analogy to understand columns, rows, and records. Learn how list and form layouts display fields configured by admins.

Differentiate data from configuration by examining incidents and user records. See how configurations such as business rules and client scripts drive behavior and automation in the ServiceNow instance.

Explore update sets in ServiceNow, learn how to capture configurations and customizations, move the configurations between instances, create and close update sets, and export to XML for migration.

Explore scripting locations in ServiceNow—business rules, script includes, UI actions, client scripts, and UI policies—and learn how to choose the right configuration for a given functionality.

Explore when to use MVR, UI policies, client scripts, UI actions, business rules, and script includes in ServiceNow development, based on visibility, user interaction, and backend needs.

Discover how glide record queries are built and executed in ServiceNow. Apply addQuery filters and the dot query to retrieve and process active incidents, then practice in your developer instance.

Write a glide record query in service now using background scripts on the server side to fetch active incidents with filters, iterate records, and print incident number and short_description.

Create and update incident records with glide record, covering CRUD operations, setting reference fields via sys_id or display values, and capturing the new record's sys_id and number.

Update ServiceNow records using glide record: create a query, fetch matching incidents, iterate with next, and apply dot update to modify fields like short_description, guided by business rules.

Learn to delete records using a glide record in ServiceNow, including filtering by incident number, querying, stepping to the next record, and calling delete record within a business rule.

Explore how glide record secure enforces ACLs and access controls, ensuring only authorized users can create, read, update, or delete records, unlike plain glide record.

Explore essential GlideRecord methods in ServiceNow, including new record, insert, update, delete, and delete multiple. Learn to use add query, addEncodedQuery, getEncodedQuery, getRowCount, hasNext, next, orderBy, and orderByDescending.

Master advanced glide record queries in ServiceNow, including addQuery, addActiveQuery, addNull and addNotNull, addEncodedQuery, and addOrCondition with incident record examples.

Learn how to use glide aggregate to count, sum, min, max, and average values, apply active queries, and group by category to obtain per-category totals in ServiceNow development.

Explore the current object, a server-side glide record for a single incident, to access and update fields like short_description, user_name, or email_ID within business rules, UI actions, and workflows.

Discover how the current object powers server-side ui actions on incident records, printing data with gs.addInfoMessage and updating fields via current.update.

Learn how to use the current object in ServiceNow workflows to set and fetch values, avoid current.update, and rely on automatic updates in UI actions and workflows.

Explore the current object in ServiceNow business rules, testing with before and after rules, using current fields like short_description and description, checking changes, aborting updates, and when to avoid current.update.

Explore how the previous object retrieves database values and contrasts with the current object, accessible only in business rules and not in UI actions or async rules.

Explore the differences between glide system (gs) and glide record (gr): gs is preinvoked and provides user details, session and time, while gr queries tables and records and requires invocation.

We explore glide system time and date methods, including gs.now and gs.nowDateTime, and profile time zone settings. We also cover lastWeek, hoursAgo, dateDiff, BeginningOfToday, addInfoMessage, addErrorMessage, logs, eventQueues, and properties.

Register event names in the event registry, attach script actions or notifications, and trigger events via gs.eventQueue with a business rule on incidents.

Explore how system properties act as global variables in ServiceNow, stored in the sys_properties table, enabling scalable configuration of emails, notifications, attachments, and categories.

Learn how to create a UI action that runs both client and server side code using GSFT submit, with examples of client scripts, server code, and handling form submission.

This lecture demonstrates an onChange client script that auto populates the incident assignment group from the selected configuration item using g_form.getReference and cmdb_ci details.

Explore the Glide user object, including its purpose and how to call it. Understand its properties and the logged in user details.

Explore Glide user, a client side object that exposes the logged in user's id, username, roles, and other details, accessible via g_user in client scripts.

Explore the Glide user object properties and methods, including g_user.firstName, lastName, userID, username, and getFullName, and learn how to check roles with hasRole and hasRoles in client and server contexts.

Explore Glide AJAX, including its purpose, internal structure, and implementation in a script include and the client script, and conclude with a practical example of Glide AJAX usage.

Discover how glide ajax enables client scripts to call server side code via script includes, returning an xml response, with synchronous and asynchronous call differences.

Create a Glide Ajax script include, name it, and enable client callable true. Implement function call me returning 'You sent' and the parameter, and note async equals sync.

Learn the structure of a client script with GlideAjax: define the script include, pass parameters, set sysparm_name, and use synchronous getXML or asynchronous calls, optionally using ga.getAnswer.

Shows how to build a Glide Ajax call between a client script and a script include TestAJAX on an incident form, passing parameters and updating the description with the response.

Explore debugging in ServiceNow, uncovering why we need it and examining server side and client side debugging.

Learn how to debug ServiceNow development projects, identify console errors, fix human errors like typos, prevent infinite loops, and use debugging tools during initial testing to reduce defects.

Master server-side debugging in ServiceNow using gs.log and session debugging, understand debug options for business rules and ACLs, and use the script debugger and breakpoints to trace incidents.

Learn client side debugging in service now using alerts, console logs, and the JavaScript executor to test onchange incident scripts, fetch assignment group details, and populate the short description.