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Scoping Configurations In Liferay DXP, you can set an application's configuration to different levels of scope: System, Instance, Site, or Portlet. For example, if you create an application to have...

Setting and Accessing Configurations

Official Documentation

Setting and Accessing Configurations You can use Liferay's configuration framework to add a settings UI for a MVC Portlet. See the Example Portlet Then, follow these steps: Download and unzip...

Job Scheduler Framework

Official Documentation

Job Scheduler Framework Liferay Self-Hosted Liferay PaaS Job Scheduler is a flexible framework built on Liferay's scheduler engine for running and scheduling business logic. This framework uses...

Job Scheduler UI Reference

Official Documentation

Job Scheduler UI Reference Liferay Self-Hosted Liferay PaaS Job Scheduler Triggers View, create, and manage Job Scheduler Tasks. The Job Scheduler Triggers tab lists all tasks added to the...

Using Direct Synchronous Messaging in Previous Versions

Official Documentation

Using Direct Synchronous Messaging in Previous Versions Liferay DXP 7.4 U48/Portal GA49 and Below Direct synchronous messaging is the easiest way to block processing until all listeners receive a...

Portlets

Official Documentation

Portlets Liferay DXP started off as a portal server for Java-based web applications called portlets (see JSR 168, JSR-286, and JSR-362). Portlets process requests and generate responses like any...

Logs

Official Documentation

Logs The OSGi Log Service Extender enables bundles to provide OSGi logging configuration using embedded properties files META-INF/osgi-logging.properties or META-INF/osgi-logging-ext.properties....

Message Bus

Official Documentation

Message Bus The Message Bus provides a loosely coupled way to exchange messages. A class sending a message invokes the Message Bus to send the message to a destination, while other classes...

Using Asynchronous Messaging

Official Documentation

Using Asynchronous Messaging Message Bus's asynchronous option provides fire and forget behavior; send a message and continue processing without waiting for a response. An asynchronous message is...

Manually Programming Scheduled Jobs

Official Documentation

Manually Programming Scheduled Jobs Implementing the SchedulerJobConfiguration interface provides greater flexibility and improved performance as it is closer to the core of the job scheduler...

Listening for Messages

Official Documentation

Listening for Messages You can listen for messages sent to any registered Message Bus destination, whether it's built-in to DXP/Portal, defined by third-parties, or created by you. Messages sent to...

Listening for Registration Events

Official Documentation

Listening for Registration Events Liferay DXP 2023.Q3/Portal GA92 and Below The messaging API supports listening for destination and message listener registration events. Here are some reasons to...

Tuning Messaging Performance

Official Documentation

Tuning Messaging Performance Liferay DXP 2023.Q3/Portal GA92 and Below Messaging performance is tuned at the destinations. Performance depends on the destination type, the amount of processing the...

Using Default Synchronous Messaging in Previous Versions

Official Documentation

Using Default Synchronous Messaging in Previous Versions Liferay DXP 7.4 U48/Portal GA49 and Below In default synchronous messaging, the sender blocks while a Message Bus thread dispatches the...

Portlet Descriptor to OSGi Service Property Map

Official Documentation

Portlet Descriptor to OSGi Service Property Map Here's a map of portlet XML descriptor values to OSGi service properties for publishing OSGi Portlets. The properties centralize and simplify portlet...

Portlet 3.0 API Opt In

Official Documentation

Portlet 3.0 API Opt In A portlet must specify version 3.0 to opt in to the Portlet 3.0 API. The 3.0 Portlet API version can be specified in the following ways. Standard Portlet @PortletApplication...

Portlet IDs

Official Documentation

Portlet IDs Below is a listing of the portlet IDs for the default portlets in Liferay DXP. You can use these IDs to embed portlets in your theme's sitemap. Collaboration PortletID...

Servlets

Official Documentation

Servlets

Data Frameworks

Official Documentation

Data Frameworks

Asset Framework

Official Documentation

Asset Framework The asset framework is behind many of Liferay's most powerful features. It provides tools for displaying and interacting with any type of content and data. For example, if you build...

Enabling Assets

Official Documentation

Enabling Assets Many of Liferay's applications (e.g. Blogs, Documents and Media, Message Boards, etc.) are asset-enabled out of the box. You can publish assets with the Asset Publisher widget or...

Cache

Official Documentation

Cache

Data Scopes

Official Documentation

Data Scopes

Service Builder

Official Documentation

Service Builder An application without reliable business logic or persistence isn't much of an application at all. Unfortunately, writing your own persistence code often takes a great deal of time....

Using Custom SQL Queries

Using Custom SQL Queries Service Builder creates finder methods that retrieve entities by their attributes (their column values). When you add a column as a parameter for the finder in your...

Expando

Official Documentation

Expando Accessing Custom Fields with Expando

Accessing Custom Fields With Expandos

Official Documentation

Accessing Custom Fields With Expandos When you need additional fields in your application, you can always add them in your service model definition and re-run Service Builder. This adds new columns...

Implementing an Item Selector

Official Documentation

Implementing an Item Selector Item selectors are pop-up dialogs for selecting assets, such as documents, videos, or users. By configuring the item selector's criteria and defining its usage, you...

Advanced Queries

Official Documentation

Advanced Queries Service Builder doesn't limit you to elements in service.xml. If simple finders aren't sufficient for getting data out of your application, there are three other ways to make the...

Using Domain-Specific Language Queries

Using Domain-Specific Language Queries Liferay 7.4+ DSL Query is an acronym for Domain-Specific Language Query. The foundation is based upon using a domain-specific language for the...

Using Dynamic Query

Using Dynamic Query Liferay's Dynamic Query API wraps Hibernate's Criteria API. It helps you think in terms of objects and member variables instead of tables and columns. Complex queries can be...

Using a Theme Sprite Map Client Extension

Official Documentation

Using a Theme Sprite Map Client Extension Liferay DXP 2023.Q4+/Portal GA100+ With a theme sprite map client extension, you can override the default Clay sprite map used for icons on a page. Start...

Using an Editor Config Contributor Client Extension

Official Documentation

Using an Editor Config Contributor Client Extension Liferay DXP 2024.Q2+/Portal GA120+ Editor Config Contributor client extensions override existing CKEditor configuration in a...

ページフラグメントの開発

Official Documentation

ページフラグメントの開発フラグメントの開発フラグメントエディターの使い方フラグメントツールキットの使用フラグメントへの設定オプションの追加フラグメント構成のベストプラクティスフラグメントにスタイルを適用するフラグメントドロップゾーンの定義ページ・フラグメントでカスタム・フィールドを使うフラグメントセットの作成フラグメント構成の検証 ...

Using a Frontend Data Set Cell Renderer Client Extension

Official Documentation

Using a Frontend Data Set Cell Renderer Client Extension Liferay 7.4+ You can use Frontend Data Set (FDS) cell renderer client extensions to customize the display for your data set. Use this type...

JavaScript YAML Configuration Reference

Official Documentation

JavaScript YAML Configuration Reference You can define a JavaScript client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a JavaScript client...

Using a Theme Favicon Client Extension

Official Documentation

Using a Theme Favicon Client Extension Liferay 7.4+ With a theme favicon client extension, you can override the theme's favicon on the selected page. Start with the sample workspace to build and...

Frontend Data Set Cell Renderer YAML Reference

Official Documentation

Frontend Data Set Cell Renderer YAML Reference You can define a Frontend Data Set cell renderer client extension with a client-extension.yaml file. Usage Details The client-extension.yaml file...

Using a Frontend Data Set Filter Client Extension

Official Documentation

Using a Frontend Data Set Filter Client Extension Liferay DXP 2024.Q2+/Portal GA120+ Frontend data set filter client extensions define JavaScript functions for creating customizable filter...

Using a JavaScript Client Extension

Official Documentation

Using a JavaScript Client Extension Liferay 7.4+ With a JavaScript (JS) client extension, you can run your own JavaScript on any page in Liferay without worrying about dependencies on Liferay code...

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