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Creating Job Scheduler Templates
Creating Job Scheduler Templates Liferay Self-Hosted Liferay PaaS Job Scheduler Tasks are created by implementing the DispatchTaskExecutor interface. Liferay DXP provides multiple out-of-the-box...
Job Scheduler Framework
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...
Manually Programming Scheduled Jobs
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...
Job Scheduler UI Reference
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...
Job Scheduler Dispatch Framework Reference
Job Scheduler Dispatch Framework Reference Liferay Self-Hosted Liferay PaaS Liferay Job Scheduler is a flexible framework built on top of Liferay's Scheduler Engine. You can use it to add,...
Listening for Messages
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...
Message Bus
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 Direct Synchronous Messaging in Previous Versions
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...
Logs
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....
Listening for Registration Events
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
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
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 3.0 API Opt In
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...
Using Asynchronous Messaging
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...
Portlets
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...
Using Custom Fields in Page Fragments
Using Custom Fields in Page Fragments If you've added custom fields to Liferay's users or pages, you can access them in fragments. To get the value of a page custom field, use ...
Batch YAML Configuration Reference
Batch YAML Configuration Reference Use a client-extension.yaml file to define a batch client extension. Usage Details This client-extension.yaml file defines a client extension of type batch: ...
Fragments Toolkit Command Reference
Fragments Toolkit Command Reference The Fragments Toolkit is deprecated as of Liferay 2024.Q1+/Portal GA112+. See Alternatives for the Fragments Toolkit for more information. The Fragments...
Page Fragment Editor Interface Reference
Page Fragment Editor Interface Reference The page fragment editor's interface is organized into two tabs: Code Editor Configuration The sections below cover how to use these portions of the...
Validating Fragment Configurations
Validating Fragment Configurations When defining fragment configuration options, you can add validation properties to text type fields that determine rules for valid entries. Determine what type of...
Fragment Specific Tags and Attributes Reference for Liferay 7.3 and Earlier Versions
Fragment Specific Tags and Attributes Reference for Liferay 7.3 and Earlier Versions Along with standard HTML, CSS, and JavaScript, you can use Liferay-specific tags and attributes to define...
Importing/Exporting Data
Importing/Exporting Data Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 If you want to import or export data from Liferay, you use batch client extensions. Use and reuse your data...
Using the Fragments Editor
Using the Fragments Editor Liferay DXP includes a built-in editor for developing content page fragments. To access the editor, open the Site Menu ( Site Menu ) and navigate to Design → Fragments....
Setting the Order of Elements in a Fragment
Setting the Order of Elements in a Fragment Liferay 7.4+ The Slider or Tab fragments are typically used to show different areas of information. Sliders present this information in a carousel of...
Site Initializers
Site Initializers Liferay DXP 2023.Q4+/Portal GA100+ Site Initializers package pages, content, and configurations to help you jump-start a new site with much of the site already built. You can...
Object Action YAML Configuration Reference
Object Action YAML Configuration Reference You can define an object action client extension with a client-extension.yaml file. Usage Details This client-extension.yaml defines an object action and...
Creating a Basic Custom Element
Creating a Basic Custom Element Liferay 7.4+ Custom element client extensions use Liferay's frontend infrastructure to register external, remote applications with the Liferay platform and render...
Custom Element YAML Configuration Reference
Custom Element YAML Configuration Reference You can define a custom element client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a custom...
Site Initializer YAML Configuration Reference
Site Initializer YAML Configuration Reference Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 Use a client-extension.yaml file to define a Site Initializer client extension. Usage...
Using a Site Initializer Client Extension
Using a Site Initializer Client Extension Liferay DXP 2023.Q4+/Portal GA100+ Site Initializer client extensions can quickly create or update a site, complete with configurations and content. Start...
IFrame YAML Configuration Reference
IFrame YAML Configuration Reference You can define an IFrame client extension with a client-extension.yaml file. Data Usage This client-extension.yaml file defines an IFrame client extension: ...
Notification Type YAML Configuration Reference
Notification Type YAML Configuration Reference You can define a notification type client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a...
Using Routes with Custom Elements
Using Routes with Custom Elements Liferay 7.4+ Custom element client extensions use Liferay's frontend infrastructure to register external applications with the Liferay platform and render them as...
Integrating Microservices
Integrating Microservices Liferay Self-Hosted Liferay SaaS Liferay PaaS Liferay 7.4 You can define microservice client extensions to run your own code in response to events in your Liferay...
Workflow Action YAML Configuration Reference
Workflow Action YAML Configuration Reference You can define a workflow action client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a workflow...
Acquiring Object Definitions from Marketplace
Acquiring Object Definitions from Marketplace Object definitions package custom object configurations into applications. These apps are published as Client Extensions. After publication to Liferay...
Provisioning Cloud Apps
Provisioning Cloud Apps You can provision cloud apps to your Liferay instance and start using them immediately. Unlike DXP apps, cloud apps integrate with Liferay SaaS directly and don't require...
Liferay Catalogs
Liferay Catalogs Liferay Catalogs categorize applications in Marketplace. There are three catalogs developed and maintained by Liferay. Liferay Inc. Liferay Labs Liferay Community You can...
Using a Microservice Client Extension
Using a Microservice Client Extension A microservice client extension is a standalone server process that relies on OAuth 2 for communication with Liferay. The microservice is a resource server and...
Publishing Solutions in Marketplace
Publishing Solutions in Marketplace The Liferay Marketplace contains business solutions to improve productivity and reduce time to market. Currently, only existing Liferay partners can publish a...
Publishing Object Definitions in Marketplace
Publishing Object Definitions in Marketplace You can publish object definitions packaged as Client Extensions to Liferay Marketplace. Prerequisites: A valid Liferay Marketplace Publisher...
CAPTCHA YAML Configuration Reference
CAPTCHA YAML Configuration Reference You can define a CAPTCHA client extension with a client-extension.yaml file. Usage Details This client-extnesion.yaml file defines a CAPTCHA client extension: ...
Acquiring DXP Apps
Acquiring DXP Apps There are two types of DXP apps in marketplace: free and paid. Free apps can be downloaded, deployed to Liferay DXP, and used immediately without deploying a license. Paid apps...
Become a Publisher
Become a Publisher To publish apps or solutions on Marketplace, you need a Liferay account with publisher permissions. Becoming a publisher is free, but you must submit a request with relevant...
Tooling
Tooling Liferay provides a variety of developer tools that include standard build scripting, lightweight CLI utilities, and full IDE based on Eclipse. This is to serve all developers, whether...
Configuring Liferay Workspace
Configuring Liferay Workspace Liferay Workspace is simple to use, and you can learn the basics by starting at the beginning. If you're happily creating projects, deploying code, or using a Docker...
Upgrading to Jakarta
Upgrading to Jakarta Liferay DXP 2025.Q3+/Portal 2026.Q1+ Liferay stepped into the future of enterprise Java when it moved to Jakarta EE starting with the DXP 2025 Q3 and the 2026 Q1 Portal...
Bundler Migration Guide
Bundler Migration Guide The Liferay npm bundler is deprecated of Liferay 2024.Q4/Portal GA129, and it's planned for future removal.
Creating Deployment Environments
Creating Deployment Environments There comes a point when your code is ready to share. For that, you must build an environment. In the corporate world, there are usually three environments: ...
Creating Code with Liferay Workspace
Creating Code with Liferay Workspace Liferay Workspace is the developer's tool for creating and managing Liferay development projects. Creating Projects Blade CLI makes it easy to create projects...
Understanding the npmbundlerrc Structure
Understanding the npmbundlerrc Structure The Liferay npm bundler is deprecated of Liferay 2024.Q4/Portal GA129, and it's planned for future removal. The liferay-npm-bundler is configured via a...
Portlet Descriptor to OSGi Service Property Map
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 IDs
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
Servlets
Asset Framework
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...
Data Frameworks
Data Frameworks
Enabling Assets
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...
Service Builder
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....
Expando
Expando Accessing Custom Fields with Expando
Data Scopes
Data Scopes