Pass the ServiceNow Certified System Administrator CSA Questions and answers with Dumpstech

Thesix methods available for user authenticationin ServiceNow are:

Local Database– The user authenticates using a username and password stored in theinstance database.

Multifactor Authentication (MFA)– The user provides their username, password, and apasscode(e.g., from Google Authenticator).

LDAP (Lightweight Directory Access Protocol)– The user authenticates using credentials stored in a corporateLDAP directory.

SAML 2.0 (Security Assertion Markup Language)– The user is authenticated via an externalSAML Identity Provider (IdP).

OAuth 2.0– The user authenticates via anOAuth identity provider(such as Google, Microsoft, or Facebook).

Digest Token Authentication– The user authenticates using anencrypted tokenrather than directly submitting a password.

Thus, the correct answer is:

A, B, C, D, E, F

ServiceNow supports multiple authentication methods to provideflexibility, security, and integration capabilitieswith external identity providers.

Local Database Authentication:

ServiceNow storesusernames and passwordsin the internal database.

Users authenticate directly with the instance.

This method is commonly used when no external authentication provider is configured.

Multifactor Authentication (MFA):

Enhances security by requiringtwo authentication factors:

Username and password(stored in the database).

Passcodefrom a registered device (such as Google Authenticator, Microsoft Authenticator).

MFA helpsprevent unauthorized accesseven if credentials are compromised.

LDAP Authentication:

Allows users toauthenticate against an external LDAP directory(such as Microsoft Active Directory).

The user must have amatching record in the ServiceNow user table ([sys_user]).

ServiceNowdoes not store passwordswhen using LDAP; it only validates credentials against the directory.

SAML 2.0 Authentication:

Users authenticate via aSAML Identity Provider (IdP)such asOkta, Microsoft Azure AD, or Ping Identity.

ServiceNow acts as aService Provider (SP)and does not store passwords.

ProvidesSingle Sign-On (SSO)capabilities.

OAuth 2.0 Authentication:

Allows authentication viaOAuth providers(Google, Facebook, Microsoft, etc.).

Users do not need to store passwords in ServiceNow; instead, authentication is delegated to theOAuth identity provider.

Digest Token Authentication:

Uses anencrypted token(instead of a plaintext password) to authenticate users.

Often used forAPI-based authenticationor scenarios where passwords should not be transmitted over the network.

Each method aligns with ServiceNow's authentication mechanisms as per official documentation.

ServiceNow supports a hybrid authentication approach, allowing multiple methods to coexist.

ServiceNow Docs – Authentication Methodshttps://docs.servicenow.com

ServiceNow Security Best Practices – Authentication & Access Controls

ServiceNow Developer Portal – SSO & OAuth Authentication

Why These Are the Correct Methods?References from Certified System Administrator (CSA) Documentation:

InServiceNow,Access Control Rules (ACLs)define thepermissionsrequired for users to interact with records, fields, or UI actions. ACLs are enforced at thedatabase leveland are evaluatedbefore granting accessto a user.

Access Control rules can be configured usingthree primary permission requirements:

Rolesdefine aset of permissionsassigned to users.

Access Control rules canrequire users to have a specific role(e.g.,admin,itil,catalog_admin) to perform an action on a table, field, or record.

Example:

A rule might state:Only users with theitilrole can read theIncidenttable.

Conditional expressionsallow access based on a specified condition.

These conditions areevaluated at runtime, and access is granted if they are met.

Example:

A condition could be:"Allow access if the record's 'State' field is 'New'".

This would mean that users can only modify records if their state is "New".

Scriptsallow advanced, custom logic to determine access.

ACLs supportserver-side scripts(written in JavaScript) that use thegs.hasRole(),currentobject, or other logic to evaluate whether a user should have access.

Example:

1. Roles (Correct -)2. Conditional Expressions (Correct -)3. Scripts (Correct -)javascript

CopyEdit

// Allow access only if the user is the requester of the record

answer = current.requested_for== gs.getUserID();

Scripts provideflexibilityby allowing complex access conditions beyond simple roles or expressions.

C. Assignment Rules(Incorrect)

Assignment Rulesare used toautomatically assign recordsto users or groups based on conditions.

They do not defineaccess control permissions.

E. User Criteria(Incorrect)

User Criteriais used inService CatalogandKnowledge Base (KB)to control access to catalog items or knowledge articles.

It isnot usedfor ACLs at the table/field level.

F. Groups(Incorrect)

Groupsare collections of users but cannot be directly used in ACLs.

Instead,roles(which are often assigned to groups) are used to define ACL permissions.

Why Other Options Are Incorrect?

ServiceNow Product Documentation - Access Control Rules

Access Control Rules Overview

Defining Access Control Rules

ServiceNow Security Model

Role-Based Access

Scripted ACLs

References from ServiceNow CSA Documentation:

n ServiceNow, theList Editorallows users to edit field values directly within a list without opening the record in a form. This feature is particularly useful for making quick modifications to multiple records without the need to open each one individually.

Users navigate to a list view of records (e.g., an incident list).

If a field is editable via the List Editor, clicking on it will allow inline editing.

After making changes, users can pressEnteror click outside the field to save.

Inline Editing:Users can modify fields directly from the list.

Multi-Row Editing:Certain fields support bulk updates.

Security Controls:Admins can control which fields are editable via List Editor through dictionary settings.

Audit and History Tracking:Changes made via List Editor are logged for tracking purposes.

A. Data Editor:No such term as "Data Editor" exists in ServiceNow.

B. Edit Menu:This does not refer to inline editing; instead, it's a general menu for editing options.

D. Form Designer:Used for configuring form layouts, not for inline editing.

ServiceNow Product Documentation → Lists and List Editing

ServiceNow CSA Exam Guide → Covers List Editor as a core feature of instance configuration.

How List Editor Works:Key Features of List Editor:Why Other Options Are Incorrect:Reference from CSA Documentation:This verifies thatList Editoris the correct answer.

Column Context Menusin ServiceNow provide options for interacting with list columns in a table. These menus allow users to customize list views, generate quick reports, export data, and configure list settings.

When users right-click on acolumn headerin a list view, they see a context menu with several actions. The correct answer,Option A, correctly describes these capabilities.

Create Quick Reports

Users can generatebar charts, pie charts, or other visual reportsbased on column data.

Example: Right-clicking on the "State" column in anIncidentslist allows users to create a report showing the count of incidents per state.

Configure the List

Users can modify the list layout, display additional columns, or customize fields.

Options includePersonalize List, Show / Hide Columns, and Sortfeatures.

Export Data

Data can be exported in various formats, such asExcel, CSV, PDF, or XML.

Example: Exporting all incidents assigned to a particular group.

Key Features of Column Context Menus:

Why the Other Options Are Incorrect:B. It displays actions related to filtering options, assigning tags, and search (Incorrect)

Filtering options are part of theFilter Navigator and List Context Menu, not theColumn Context Menu.

Assigning tags and performing searches happen within the list view but are not primary functions of theColumn Context Menu.

C. It displays actions related to viewing and filtering the entire list (Incorrect)

While column menus allow sorting and filtering, filtering theentirelist is mainly done via theList Context Menu(right-clicking the entire list or using the filter option at the top).

D. It displays actions such as view form, view related task, and add relationship (Incorrect)

Viewing forms, related tasks, and adding relationships are functions available when interacting withrecord-levelactions (right-clicking a row), not a column.

These actions are available via theList Context MenuorRelated Lists, not theColumn Context Menu.

Navigate toIncident > All.

Right-click on thePrioritycolumn header.

A menu appears with options such as:

Sort (Ascending/Descending)

Group By This Field

Create Report

Export Data

Configure List Layout

Example of Using a Column Context Menu in ServiceNow:

ServiceNow supports multiple authentication methods to verify user identities before granting access to an instance. The three valid authentication methods from the given options are:

Local Database Authentication

This is the default authentication method used in ServiceNow.

User credentials (username and password) are stored in the ServiceNow database.

Authentication is handled directly by ServiceNow without relying on external identity providers.

This is useful for small implementations or instances where external authentication is not required.

LDAP (Lightweight Directory Access Protocol)

LDAP allows ServiceNow to integrate withcorporate directory services, such as Microsoft Active Directory, to authenticate users.

Users authenticate using theircorporate credentials, reducing the need to maintain separate user accounts in ServiceNow.

ServiceNow connects to an LDAP server and verifies credentials without storing passwords in the ServiceNow database.

SSO (Single Sign-On)

Single Sign-On enables users to log into ServiceNow using an external identity provider (IdP).

ServiceNow supports various SSO protocols, including:

SAML 2.0 (Security Assertion Markup Language)

OAuth 2.0

OpenID Connect

Kerberos

This allows users to authenticate once and gain access to multiple applications, improving security and user experience.

A. XML feed–

XML feeds are used for data exchange,not authentication.

ServiceNow can consume XML feeds for integrations but does not use XML feeds to authenticate users.

E. FTP authentication–

FTP (File Transfer Protocol) is used for transferring files between systems and isnot a valid authentication methodin ServiceNow.

ServiceNow Docs: User Authentication Methodshttps://docs.servicenow.com/en-US/bundle/utah-platform-administration/page/administer/security/concept/user-authentication-methods.html

ServiceNow CSA Official Training Guide (User Authentication & Security)

Why the Other Options Are Incorrect?References from Certified System Administrator (CSA) Documentation:These references confirm thatLocal Database, LDAP, and SSOare valid authentication methods in ServiceNow.

When a new table is created inServiceNowby extending another table, it followstable inheritanceprinciples. This means the newly created table (child table) receives all the fields from its parent table. Additionally, the new table can includecustom fieldsthat are unique to itself.

Here’s how inheritance works in ServiceNow when a table is extended:

Fields Inheritance:

The child table automatically inherits all fields from its parent table.

These inherited fieldscannot be removedfrom the child table but can be modified or overridden.

The child table can also have additionalcustom fieldsthat do not exist in the parent table.

Business Rules, Client Scripts, and UI Policies:

Unlike fields, these components arenot automatically inherited.

However, they can still affect the child tableif they are defined on the parent table using conditions that include the child table.

To apply them specifically to the child table, they need to beexplicitly definedfor the new table.

Access Control Rules (ACLs):

ACLs are not automatically inherited.

Each table in ServiceNow has its own set ofAccess Control Rules, which must be explicitly configured for the child table if different permissions are required.

Database Structure:

The child table creates aone-to-one relationshipwith the parent table, meaningall fields in the parent are available in the child table.

The new table is stored as a separate entity but references the parent table’s structure.

The child tableinherits all fieldsfrom the parent table.

The child table can also have its owncustom fields.

Business Rules, Client Scripts, UI Policies, and ACLs arenot automatically inherited, meaning options B and D are incorrect.

The tabledoes not archivethe parent table (making option A incorrect).

ServiceNow Product Documentation – Table Inheritance:https://docs.servicenow.com

ServiceNow Fundamentals – Table Relationships

ServiceNow Developer Portal – Extending Tables

ServiceNow Best Practices – Access Controls & Security Rules

Why Option C is Correct?References from Certified System Administrator (CSA) Documentation:

ServiceNow uses a hierarchical structure to manageService Catalog requests:

REQ (Request Record)

TheRequest (REQ#)is theparent recordthat represents the entire service request submitted by a user.

It groups all requested items and their associated tasks.

Found in thesc_requesttable.

RITM (Requested Item Record)

TheRequested Item (RITM#)is the specificcatalog itemordered by the user within a request.

A singleREQcan have multipleRITMsif the user ordered multiple items in a single request.

Found in thesc_req_itemtable.

TASK (Catalog Task Record)

TheTask (TASK#)is the individual fulfillment action required to complete the requested item.

A singleRITMcan have multipletasks, each assigned to different fulfillment teams.

Found in thesc_tasktable.

Why Answer "C" is Correct:✔️REQ (Number) > RITM (Number) > TASK (Number)

This is thecorrect pathbecause it follows theServiceNow fulfillment structure:

REQ (Request)– Tracks the entire request.

RITM (Requested Item)– Tracks individual items within the request.

TASK (Catalog Task)– Tracks the specific tasks needed to complete the requested item.

This path allows an administrator to drill down from the overallRequest (REQ#)to individualRequested Items (RITM#)and finally to theTasks (TASK#)assigned to fulfill those items.

Why the Other Answers Are Incorrect:A. RITM (Number) > REQ (Number) > PROCUREMENT (Number)

Incorrectbecause theREQ# (Request) comes firstbefore the RITM# (Requested Item).

Also,PROCUREMENT#is not always part of the fulfillment flow unless the item requires procurement (e.g., purchasing hardware).

B. REQ (Number) > RITM (Number) > PROCUREMENT (Number)

Incorrectbecausenot all requests involve procurement.

The last step should beTASK (sc_task), notPROCUREMENTunless it's a procurement-related request.

D. FULFILLMENT (Number) > RITM (Number) > TASK (Number)

Incorrectbecause"FULFILLMENT" is not a standard record typein ServiceNow.

The correct hierarchy starts withREQ# (sc_request), not "FULFILLMENT."

ServiceNow CSA Study Guide – Service Catalog & Request Fulfillment

ServiceNow Docs: Request Fulfillment Process(ServiceNow Documentation)

ServiceNow Tables & Data Model (sc_request, sc_req_item, sc_task)

References from the Certified System Administrator (CSA) Documentation:

TheService Catalogis a core feature in ServiceNow that provides users with a structured interface to request services and products. Thebaseline Service Catalog homepageincludes links to key components that help users navigate and submit requests efficiently. These components are:

Record Producers– These are forms that allow users to create records in tables other than the Request table (e.g., submitting an incident or a change request).

Order Guides– These help users request multiple related items in a single submission, streamlining complex orders.

Catalog Items– These are the individual products or services users can request, such as software installations, hardware requests, or access requests.

Option B: "Order Guides, Item Variables, and Workflows"– Incorrect, becauseItem VariablesandWorkflowsare not direct links on the Service Catalog homepage. Item Variables are attributes of Catalog Items, and Workflows handle backend processing but are not listed as a navigational component.

Option C: "Order Guides, Catalog Items, and Workflows"– Incorrect, because Workflows are not directly linked from the homepage.

Option D: "Record Producers, Order Guides, and Item Variables"– Incorrect, because Item Variables are part of Catalog Items but not a distinct link on the homepage.

ServiceNow Product Documentation - Service Catalog Overview

ServiceNow CSA Study Guide - Service Catalog Fundamentals

ServiceNow Docs: Service Catalog Components

Explanation of Incorrect Options:References from Certified System Administrator (CSA) Documentation:

In computing and networking, aclientrefers to anapplication or system that accesses a remote service or another computer system (known as a server). The client-server model is a fundamental concept in computing, where:

A client sends requeststo a server.

The server processes the requestand sends back a response.

This architecture is widely used inweb applications, databases, and ServiceNowitself, whereclients interact with the ServiceNow platform (server) via a web browser or API requests.

In ServiceNow, theclienttypically refers toa user’s browser or an external system making requests via API calls.

Theserveris the ServiceNow instance, which processes requests and returns responses.

Client-side scripts(such asClient ScriptsorUI Policies) run on the user's browser, whileserver-side scripts(such as Business Rules and Script Includes) execute on the ServiceNow server.

How This Relates to ServiceNow:

A. Server→ A serverreceives requestsand processes them but is not the requesting entity.

C. Script→ A script is apiece of codethat executes certain actions but does not represent an entire system accessing a service.

D. Policies→ Policies definerules or behaviors(e.g., UI Policies, Data Policies) but do not access a remote service.

Why Other Options Are Incorrect:

ServiceNow Documentation:Client and Server in ServiceNow

CSA Exam Guide:CoversClient and Server architecturein ServiceNow.

Reference from CSA Documentation:

InServiceNow,User Impersonationallows anadmin or a user with the appropriate roleto temporarily act as another userwithout needing their password. This is mainly used fortesting and visibility, helping administrators and developers verify user permissions, role-based access, and UI experiences.

Testing Permissions & Roles

Ensures thatusers have the correct access rights(e.g., verifying ITIL user permissions for incident management).

Helps testUI Policies, Business Rules, and ACLs (Access Control Rules)by viewing the system from the perspective of different roles.

Debugging & Troubleshooting

Identifies why a usercannot access certain records or modules.

Helps inresolving permission-related issueswithout affecting live users.

Experience Validation

Ensures userssee the correct menus, fields, and optionsbased on their assigned roles.

Useful when developingnew applications, workflows, or Service Catalog items.

Admins and authorized userscan impersonate by clicking on their name in the top-right corner and selectingImpersonate User.

Once impersonated, all actions are logged for security and compliance.

Primary Functions of User Impersonation:How to Use Impersonation:

(A) Testing and visibility – Correct

The primary function ofuser impersonationis totest and verify what different users can see and doin the system.

It helps withdebugging UI, role-based access, ACLs, and workflow execution.

(B) Activate verbose logging – Incorrect

Verbose loggingis used fordetailed debugging and performance monitoring, butimpersonation does not enable logging features.

(C) View custom perspectives – Incorrect

ServiceNow doesnotuse the term "custom perspectives" in the context of impersonation.

Impersonationshows what a specific user sees based on their roles, but it doesnot create custom perspectives.

(D) Unlock Application master list – Incorrect

There isno such featureas an "Application Master List" that requires impersonation to unlock.

Application access is controlled byroles and permissions, not impersonation.

Explanation of Each Option:

Never impersonate a user without permission, especially in production environments.

All impersonation actions are loggedin the system for security and auditing purposes.

Use impersonation in a sub-production (development or test) instancebefore making changes to production.

Admins should use impersonation instead of logging in with test user accountsto maintain security and accountability.

Additional Notes & Best Practices:

ServiceNow Docs: Impersonating Users

https://docs.servicenow.com

ServiceNow Community: Best Practices for User Impersonation

https://community.servicenow.com

References from Certified System Administrator (CSA) Documentation:

In ServiceNow, user records are stored in theUser [sys_user]table. This table contains all user-related data, including usernames, email addresses, roles, department affiliations, and more.

User ID(user_name) – Unique identifier for the user.

First Name & Last Name(first_name,last_name) – User’s full name.

Email(email) – The user’s email address.

Department(department) – The department to which the user belongs.

Roles(roles) – List of assigned roles that determine access permissions.

Active(active) – Indicates whether the user account is active or inactive.

B. User [sys_user_group]– Incorrect. This table storesgroups, not individual users.

C. User [syst_user_profile]– Incorrect. This table does not exist in ServiceNow.

D. User [user_profile]– Incorrect. There is no such table in ServiceNow.

ServiceNow Docs: User Administration – sys_user Table

ServiceNow CSA Study Guide – User and Group Administration

Key Fields in thesys_userTable:Explanation of Incorrect Options:References from Certified System Administrator (CSA) Documentation:

Update Setsin ServiceNow are used tocapture customizations and configurationsmade in an instance, allowing these changes to be moved between instances (e.g., from development to test or production). ServiceNow provides best practices to ensure smooth migration and avoid issues with missing or conflicting updates.

What is an Update Set?

AnUpdate Setis a collection of customizations (e.g., changes to forms, scripts, workflows, business rules) that can be moved from one instance to another.

Ittracks changesin a controlled way, preventing accidental loss of configurations.

Why Avoid Using the Default Update Set?

TheDefault Update Setis automatically used when no other update set is selected.

It captures changesbut should never be used for instance-to-instance migrationsbecause:

Itcannot be exported.

It contains system changes that arenot logically grouped.

It can causeinconsistencies and missing dependencieswhen moving updates.

Instead, administrators shouldcreate a named Update Setfor specific development work.

Understanding Update Sets in ServiceNow:

Why Answer "A" is Correct:✔️"Avoid using the Default Update Set as an Update Set for moving customizations from instance to instance."

This follows ServiceNow’sbest practicesfor managing Update Sets.

Using theDefault Update Setcan lead tomissing updates, conflicts, and untracked changes, making migrations unreliable.

Why the Other Answers Are Incorrect:B. "Before moving customizations from instance to instance with Update Sets, ensure that both instances are different versions."

Incorrectbecause ServiceNowrecommends that instances be on the same versionbefore applying Update Sets.

If instances are ondifferent versions, the Update Set may includeincompatible changes, causing failures.

C. "Use the Baseline Update Set to store the contents of items after they are changed the first time."

Incorrectbecause there is no such thing as a "Baseline Update Set" in ServiceNow.

ServiceNowdoes not automatically create a backup of original configurations—administrators should manually create an Update Set before making changes.

D. "Once an Update Set is closed as 'Complete,' change it back to 'In Progress' until it is applied to another instance."

Incorrectbecausea completed Update Set should not be reopened.

Once markedComplete, an Update Set isready for export and migration. Reopening it can causedata integrity issuesand confusion in version control.

ServiceNow CSA Study Guide – Update Sets & Configuration Management

ServiceNow Docs: Best Practices for Update Sets(ServiceNow Documentation)

ServiceNow Docs: Moving Customizations with Update Sets

References from the Certified System Administrator (CSA) Documentation:

InServiceNow, the best practice for managingusers, groups, and rolesis based onrole-based access control (RBAC).

Assign Roles to Groups (Correct)

Instead of assigning roles directly to users, it is abest practice to assign roles to groups.

This ensuresbetter role management, easier administration, and scalability.

Example:

The"IT Support"group has the"itil"role.

All users in this group automatically get theitilrole.

Add Users to Groups (Correct)

Users should be assigned togroupsrather thanroles directly.

Groups inherit roles, so when a user is added to a group, they automatically receivethe appropriate access.

Example:

A new Service Desk agent joins the"Service Desk"group and immediately gets the associated roles (itil,incident_manager, etc.).

A. You should never assign roles to groups(Incorrect)

Incorrect: Assigning roles to groups is therecommended best practice.

Managing roles at thegroup levelmakesaccess control more efficient and scalable.

B. You should assign roles to users(Incorrect)

Incorrect: Assigning roles directly to users isnot a best practicebecause it becomes difficult to manage as the organization grows.

Instead, users should beadded to groupsthat have the necessary roles.

Best Practices for Users, Groups, and Roles:Why Other Options Are Incorrect?

Managing Users, Groups, and Roles

ServiceNow Best Practices for Roles & Groups

Role-Based Access Control (RBAC)

User Administration

References from ServiceNow CSA Documentation:

InServiceNow Flow Designer, aTriggeris used toinitiateaflow. Triggers define the conditions under which a flow starts and can be based on various system events, schedules, or user actions.

(A) A Trigger – Correct

Triggers are the starting point of a flowin Flow Designer.

A flow will not execute unless a trigger condition is met.

Types of triggers include:

Record-based triggers(e.g., when a record is created, updated, or deleted)

Scheduled triggers(e.g., run at a specific time or interval)

Application-specific triggers(e.g., Service Catalog request submission)

(B) Core Action – Incorrect

Core Actionsare predefined actions that execute tasks within a flow, such as:

Sending notifications

Updating records

Calling APIs

They aresteps within a flow,notwhat initiates it.

(C) A Spoke – Incorrect

A spokein Flow Designer is a collection of actions and subflows related to a specific application or integration (e.g., ServiceNow ITSM Spoke).

Spokescontain actionsbut donotinitiate flows.

(D) An Event – Incorrect

Eventsin ServiceNow trigger Business Rules, Notifications, and Script Actions, but they arenot directly used to initiate flowsin Flow Designer.

However, aflow can be triggered based on an event, but the event itself is not the trigger—the flow’s trigger is configured to listen for the event.

Explanation of Each Option:

Triggers should be well-definedto prevent unnecessary flow executions that might impact performance.

Use Scheduled Triggersfor time-based workflows (e.g., daily reports).

Record Triggersare commonly used for automation within ITSM processes.

Debugging Triggers: Use theFlow Execution Detailspage to troubleshoot trigger execution.

Additional Notes & Best Practices:

ServiceNow Docs: Flow Designer Triggers

https://docs.servicenow.com

ServiceNow Community: Best Practices for Flow Designer Triggers

https://community.servicenow.com

References from Certified System Administrator (CSA) Documentation:

InServiceNow Import Sets,coalescingis the process ofmatching existing recordsto avoid duplicate entries when importing data.Conditional coalesceis the only method that allows using ascriptto determine if records should be updated or inserted.

Single-field Coalesce (Incorrect)

Usesone fieldto determine if a record exists.

If a match is found, the record isupdated; otherwise, a new record is created.

Example: Usingemailas a coalesce field when importing user data.

Multiple-field Coalesce (Incorrect)

Usesmultiple fieldsto find a match.

If all specified fields match, the record isupdated. Otherwise, a new record is created.

Example: MatchingFirst Name + Last Name + Email.

No Coalesce (Incorrect)

Every import creates anew record, regardless of whether a similar record exists.

Conditional Coalesce (Correct)

Allows using ascript to define custom logicfor identifying records to update.

This isthe only coalescing method that supports scripting.

Example:

A script can check if eitheremailoremployee IDexists, andif neither exist, create a new record.

Types of Coalescing in Import Sets:

Understanding Coalesce in Import Sets

Import Set Coalescing

Conditional Coalesce Scripting

Using Conditional Coalesce

References from ServiceNow CSA Documentation: