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Lightning component overrides for standard actions

Key Takeaway

In Lightning Experience, you override Edit, New, or Tab with a Lightning component that implements lightning:actionOverride. View is the only action that supports an override with a Lightning record page.

An action override replaces the page Salesforce normally shows for a standard action, such as New, Edit, or View, with a custom user interface. A developer builds the custom Lightning component, and an app builder assigns it to the action in Setup.

When to use an action override

Standard actions such as these each have a default Salesforce page:

Delete
Edit
List
New
Tab
View

Use an override when the business needs a more customized user experience than the standard page provides.

Platform App Builder Study Guide

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Declarative business logic tools
Apex use cases beyond Flow Builder
Formula field boundaries versus record-updating automation
Record-triggered Flow versus Apex triggers
Schedule-triggered Flow versus Batch Apex
Declarative callouts versus Apex HTTP callouts
Lightning App Builder versus custom programmatic UI
Invocable Apex actions in Flow Builder
Formula, roll-up summary, flow or code for related-record calculations
Declarative sharing tools versus Apex managed sharing
AgentExchange as the Salesforce marketplace
AgentExchange solution types
Solution listings versus consultant listings
Agentforce solutions on AgentExchange
Marketplace versus custom build for a capability gap
Evaluating AgentExchange listings
Sandbox testing before production install
AgentExchange install permissions and user access
AgentExchange security review for public listings
Object, field, and record access layers
Profiles versus permission sets
Standard profiles and Minimum Access clones
Settings restricted to profiles versus permission set grants
Object-level Create Read Edit Delete permissions
View All and Modify All object permissions
View All Data versus View All object permission
Field-level security versus page layouts
Permission set groups for persona access
Muting permissions in a permission set group
Profile login hour restrictions
Login IP ranges versus trusted IPs
Restriction rules versus sharing rules
User access policies for granting and revoking access
Organization-wide default access levels
When to use each organization-wide default
Internal versus external organization-wide defaults
Controlled by Parent organization-wide default
Role hierarchy record access
Grant Access Using Hierarchies for custom objects
Sharing rules as exceptions to organization-wide defaults
Owner-based versus criteria-based sharing rules
Public groups as sharing rule targets
Manual sharing of individual records
Account, opportunity, and case teams
Queues for shared record ownership
Implicit sharing between accounts and children
Record-level sharing control interaction
Enterprise Territory Management for territory-based access
User sharing to control visibility of other users
Reports versus report types versus dashboards
Standard versus custom report types
Custom report type object relationships
Custom report type field layout
Custom report type availability status
Tabular, summary, and matrix report formats
Joined report blocks and common fields
Report filters and filter logic
Cross filters on related objects
Bucket columns in the report builder
Row-level formula columns
Summary formula columns on grouped reports
Conditional formatting on grouped reports
Report charts versus dashboard widgets
Dashboard component types
Tabular reports as dashboard sources
Dashboard running user and dynamic dashboards
Dashboard filters for interactive views
Report and dashboard folder sharing
Report and dashboard subscriptions
Historical trending reports

Standard versus custom objects
Standard object selection for business entities
Custom object versus custom field
Picklist versus related object
Master-detail versus lookup for parent-child models
Junction objects for many-to-many relationships
Self-relationships on the same object
Hierarchical relationships on the User object
Schema Builder for data model design
Record types for layouts, picklists, and processes
Record type assignment and the Master record type
Sales, support, lead, and solution processes
Custom metadata types versus custom objects
Hierarchy versus list custom settings
Optional features chosen when defining a custom object
Object types beyond standard and custom objects
Master-detail cascade delete and restore
Lookup parent-delete field behaviors
Master-detail child reparenting
Record access for master-detail versus lookup children
Master-detail Sharing Setting on the relationship field
Related lists and object tabs for relationships
Standard report types by relationship type
Custom report types for related objects
Junction object primary master effects
Multilevel master-detail relationships
Lookup filters on relationship fields
Converting lookup and master-detail relationships
External lookup versus indirect lookup
Contacts to Multiple Accounts
Text and long-text field types
Number, currency, and percent fields
Date, Date/Time, and Time fields
Checkbox versus Yes/No picklist
Email, Phone, and URL field types
Picklist versus multi-select picklist
Restricted versus unrestricted picklists
Global picklist value sets
Dependent picklists and controlling fields
Record types and picklist values
Auto-Number field configuration
External ID and unique field types
Geolocation custom fields
Formula versus stored field types
Classic encrypted text fields
Universally required versus page-layout required fields
Field history tracking
Custom field type conversion data loss
Blocked custom field type changes
Data Import Wizard versus Data Loader
Data Import Wizard matching and add-or-update actions
External ID matching on upsert
Import considerations for validation rules and field types
Data Loader delete versus hard delete
Data Export Service versus Data Loader export
Salesforce Connect versus importing a data copy
External object capabilities
Salesforce Connect adapter types
Relating child records to parent records during import
Record IDs and standard system fields on every object

When to use a formula field
Formula field return types
Formula operators and functions by context
Conditional logic in formula fields
Text functions in formula fields
Date and time calculations in formula fields
Picklist values in formula fields
Blank and null handling in formula fields
Formula merge fields and global variables
Cross-object formula spanning and syntax
Formula field visibility of referenced data
Display formulas for images and links
Formula field reference restrictions
Formula field search and attribute restrictions
Formula field size and compile limits
Default value formulas versus formula fields
Roll-up summary relationship rules
Supported roll-up aggregate functions
Roll-up summary filter criteria
Roll-up summaries versus formula fields
Roll-up summary recalculation
Roll-up summary field limits
Validation rules and roll-up summaries
Roll-up summary sharing and field access
Advanced currency management with opportunity roll-ups
Formula fields as roll-up summary aggregation sources
Validation rule error-condition formulas
Validation error location and multiple-rule display
Validation rule execution timing
Validation rules versus field-level and layout required
Conditionally required fields with validation rules
Format and range checks in validation formulas
Create versus edit functions in validation formulas
User, profile, and record type conditions in validation rules
Cross-object fields in validation rules
Validation formula field restrictions
Lookup filters versus validation rules
Validation rules versus automation field updates
Custom permission bypass for validation rules
VLOOKUP checks in validation rules
Operations that skip validation rule enforcement
Flow Builder elements, connectors, and resources
Flow formula resources
Input and output variables
Get Records in Flow Builder
Create and delete records in Flow Builder
Update Records versus assigning $Record
Decision outcomes and the default outcome
Loops and bulk DML in Flow Builder
Collection Filter, Sort, and Transform
Screen components and input validation
Choice resources versus picklist and record choice sets
Record-triggered start events
Entry conditions and when-to-run on update
$Record and $Record__Prior
Scheduled path time source and offset
Asynchronous paths on record-triggered flows
Custom Error on record-triggered paths
Subflow referenced-flow rules
Send Email versus Email Alert
Flow run context and sharing
HTTP Callout from Flow Builder
Flow variables, collections and the Assignment element
Screen flow launch points for internal users and site visitors
When to use Flow Approval processes
Flow Approval processes versus classic approval processes
Autolaunched versus record-triggered Flow Approval processes
Starting an autolaunched Flow Approval process
Submit for Approval versus Request an Approval
Stages, steps, and Decision paths in Flow Approval processes
Approval steps versus background steps
Approval step assignment and unanimous approval
Completing Flow Approval work items
Delegated approvers for approval requests
Record locking in Flow Approval processes
Recall path in Flow Approval processes
Flow Approval processes limits and considerations
Fault paths and troubleshooting failed approval submissions
Screen Flow versus Autolaunched Flow (No Trigger)
Record-triggered Flow versus user-launched flows
Fast Field Updates versus Actions and Related Records
Schedule-triggered Flow versus scheduled paths
Platform Event-triggered Flow
Flow Orchestration versus a single flow for multi-user processes
Testing flows with the Flow Builder debugger
Automated flow tests in Flow Builder
Flow version activation and interview continuity
Flow version deletion constraints
Fault paths for flow error handling
Unhandled flow fault notifications
Transaction rollback after a flow error
Governor-limit failures versus fault paths
Paused and failed flow interviews
Flow Trigger Explorer for record-triggered flows
Recursive record-triggered flow loops
Required-field and null-value errors in flows
Troubleshooting flow URLs launched from buttons and links
Agentforce capabilities for autonomous process automation
Employee versus Service agent use cases
Agentforce topics, actions, and reasoning
Standard versus custom Agentforce actions
Reference action types for Agentforce custom actions
Invoking Agentforce from Flow
Agentforce versus Flow for process automation
Agent execution context and data access
Setup with Agentforce for administrative processes
Evaluating a business process as an Agentforce use case

Describe the user interface customization options.

0/20

Lightning app branding and navigation
Standard versus console app navigation
Custom tab types
Tab visibility in apps
Page layout contents and field behavior
Page layout assignment by profile and record type
Related list customization on page layouts
Compact layouts for record highlights
Record types for layouts and picklists
Lightning App Builder versus the page layout editor
Lightning App Builder page types
Lightning page activation and assignment
Dynamic Forms versus page-layout record detail
Component visibility rules on Lightning pages
Path on Lightning record pages
List view customization
Kanban views for list views
Search layouts for results and lookups
Lightning themes and branding
Org-wide User Interface settings

Demonstrate the capabilities and use cases for custom buttons, links, and actions.

0/13

Object-specific versus global actions
Quick action types and use cases
Action layouts and predefined field values
Custom button and link display types
Custom button and link content sources
Quick actions versus custom buttons
Lightning and mobile action placement on layouts
Lightning Experience action locations by type
Dynamic Actions and visibility filters
Adding, replacing, and hiding buttons on page layouts
Launching flows from quick actions and custom buttons
Custom buttons and links in the Salesforce mobile app
JavaScript buttons and their Lightning Experience alternatives

Given a scenario, determine the declarative options available for incorporating Lightning components in an application.

0/9

Standard, custom, and third-party Lightning components
Lightning page templates, regions, and form factors
Standard Lightning page components
Highlights Panel versus Dynamic Highlights Panel
Related list Lightning components
Flow component on Lightning pages
Visualforce Page component on Lightning pages
Utility bar Lightning components
Custom Lightning components in Lightning App Builder

Describe the programmatic customizations available for incorporating custom Lightning components in an application.

0/8

When a custom Lightning component is required

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Aura versus Lightning Web Components coexistence

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Exposing custom Lightning components to App Builder

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Design attributes on custom Lightning components

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Lightning component overrides for standard actions

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Lightning web component record actions

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Custom Lightning components on Flow screens

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Visualforce pages in Lightning Experience

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Given a set of requirements, determine the appropriate global, object-specific actions and layouts to optimize the Salesforce mobile user experience.

0/7

Mobile navigation bar and menu
Page layout optimization for the Salesforce Mobile App
Salesforce mobile action bar
Global publisher layouts
Quick actions and record type availability
Productivity actions in the Salesforce mobile app
Mobile smart action bundles

Application lifecycle environment path
When to use a sandbox versus production
Sandbox type selection by business requirement
Sandbox data copy and storage allocations
Sandbox refresh intervals and effects
Sandbox templates
Sandbox cloning versus creating from production
Sandbox org identity and user considerations
Overlapping customizations across Developer sandboxes
DevOps Center for application lifecycle
Scratch orgs versus sandboxes
Outbound versus inbound change sets
Deployment connections and inbound authorization
Affiliated-org limits for change sets
User permissions for change sets
Metadata versus data in change sets
Components available in change sets
Custom metadata type records in change sets
Profile settings versus permission sets in change sets
Delete and rename limits for change sets
Dependent components for change set deploy
Validate a change set before deploy
All-or-nothing change set transaction
Apex tests on production change set deploy
Flow activation after change set deploy
Closed outbound change sets and cloning
When inbound change sets become unavailable
User references during change set deployment
When to use managed versus unmanaged packages
Namespace prefixes on packaged component API names
Subscriber customization of packaged components
Managed package upgrades and versioning
Uninstall behavior for installed packages
Unmanaged packages versus change sets for metadata migration
AppExchange package install in a sandbox
Package installation user access options
Packaged components and org edition limits
Unlocked packages versus managed packages for internal apps
AppExchange security review for public managed packages
Change sets versus packages versus Metadata API
Metadata versus data in a deployment plan
Deployment dependency and migration order
Destination org feature enablement before deploy
Pre- and post-deployment run list
Rollback and backup after a production deployment
Sandbox drift from production before a deployment

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Lightning component overrides for standard actions

Key Takeaway

In Lightning Experience, you override Edit, New, or Tab with a Lightning component that implements lightning:actionOverride. View is the only action that supports an override with a Lightning record page.

An action override replaces the page Salesforce normally shows for a standard action, such as New, Edit, or View, with a custom user interface. A developer builds the custom Lightning component, and an app builder assigns it to the action in Setup.

When to use an action override

Standard actions such as these each have a default Salesforce page:

Delete
Edit
List
New
Tab
View

Use an override when the business needs a more customized user experience than the standard page provides.