Journey Optimizer documentation
What’s new?
- Latest release notes
- Previous release notes
  - 2022 Release notes
  - 2021 Release notes
- Documentation updates
Get started
- What is Journey Optimizer
- Quick start guides
- User interface
- Search, filter, categorize
- Accessibility
- Integrations
- Guardrails
Journeys
- Get started with journeys
- Create a journey
- Manage your journeys
- Activities
- Build expressions
  - Overview
  - Syntax
  - Functions
    - Main Functions
    - Adobe Experience Platform
      - inSegment
    - Aggregation
      - avg
      - count
      - countOnlyNull
      - countWithNull
      - distinctCount
      - distinctCountWithNull
      - max
      - min
      - sum
    - Conversion
      - toBool
      - toDateOnly
      - toDateTime
      - toDateTimeOnly
      - toDecimal
      - toDuration
      - toInteger
      - toString
    - Date
    - List
      - distinct
      - distinctWithNull
      - filter
      - getListItem
      - in
      - intersect
      - limit
      - listSize
      - serializeList
      - sort
    - Math
      - random
      - round
    - String
      - concat
      - contain
      - containIgnoreCase
      - endWith
      - endWithIgnorecase
      - equalIgnoreCase
      - indexOf
      - isEmpty
      - isNotEmpty
      - lastIndexOf
      - length
      - lower
      - matchRegExp
      - notequalIgnoreCase
      - replace
      - replaceAll
      - split
      - startWith
      - startWithIgnoreCase
      - substr
      - trim
      - upper
      - uuid
- Use cases
  - Business use cases
  - Technical use cases
Campaigns
- Get started with campaigns
- Create a campaign
- Review and activate a campaign
- Manage campaigns
- Content experiment
- Trigger campaigns using APIs
Email channel
- Get started with emails
- Create an email
- Design your email content
- Preview and test your email
- Create content templates
- Work with fragments
- Manage email opt-out
- Configure email channel
  - Get started with email configuration
  - Configure email surface settings
In-app channel
- Get started with In-app channel
- Create an In-app message
- Design your In-app content
- Test and send your In-app notification
- Configure In-app channel
Push notification channel
- Get started with push notification
- Create a push notification
- Design your push notification
- Send your push notification
- Configure push notifications
SMS channel
- Get started with SMS
- Create an SMS message
- Preview and test your SMS
- Manage SMS opt-out
- Configure SMS channel
- Set up SMS subdomains
Direct mail
- Get started with direct mail
- Create a direct mail
- Test & send a direct mail message
- Configure direct mail
Web channel
- Get started with web channel
- Web channel prerequisites
- Create web experiences
- Author web pages
- Configure web subdomains
Landing pages
- Get started with landing pages
- Create a landing page
- Design content
- Create a subscription list
- Learn through use cases
- Configure landing pages
  - Configure landing page subdomains
  - Define landing page presets
Content Management
- Work with Assets Essentials
- Work with Adobe Stock
- Personalization
- Dynamic content
Audiences, profiles and identity
- Audiences
- Profiles
  - Get started with profiles
  - Create test profiles
- Identities
- License usage
Track and monitor
- Live report
- Global report
- Journey reports
- Deliverability
  - Get started with deliverability
  - Understand the suppression list
- Alerts
- Work with Customer Journey Analytics
Decision management
- Get started with Decision management
- Create components
- Create rankings
- Create and manage offers
- Create and manage decisions
- Use batch decisioning
- Collect event data
- Create Decision Management reports
  - Work with Decision management events
  - Access events XDM fields
- Export your offer catalog
- API Reference
Data management
- Get started with data management
- Work with schemas
- Journey Optimizer datasets
- Queries
Configuration
- Get started with Journey Optimizer configuration
- Set up channel surfaces
- Delegate email subdomains
- Monitor email addresses
- Use seed lists
- Support for archiving
- Change execution addresses
- Configure frequency rules
- Configure journeys
- Sources
Access control
- Access control overview
- Manage users and roles
- Attribute-based access control
- Object level access control
- Sandboxes management
Privacy
- Get started with privacy
- Privacy requests
- Audit actions on resources
- Perform data hygiene operations
- Manage consent
  - Manage opt-out
  - Work with consent policies
- Data Governance
- Set up and manage Customer Managed Keys

isEmpty

Returns true if the string in the parameter has no character.

Category

String

Function syntax

isEmpty(<parameters>)

Parameters

string

Signature and returned type

isEmpty(<string>)

Returns a boolean.

Example

isEmpty("")

Returns true.

isEmpty("Hello World")

Returns false.

Business.Adobe.com resources

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