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Capability
Feature
Deployment Approach
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...
Published Date: May 9, 2024 6:54 PM
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...
Published Date: May 9, 2024 6:54 PM
Module Life Cycle
Module Life Cycle In OSGi, all components, Java classes, resources, and descriptors are deployed via modules (OSGi bundles). The MANIFEST.MF file describes the module's physical characteristics,...
Published Date: Nov 22, 2024 10:50 PM
UI Architecture
UI Architecture
Published Date: Nov 22, 2024 10:50 PM
Creating Service Wrappers
Creating Service Wrappers With Service Wrappers, you can override default service methods to add extra functionality. For example, you may want the value of a field you've added to Liferay's User...
Published Date: Jul 18, 2024 8:39 PM
Generating Translations Automatically
Generating Translations Automatically Liferay DXP supports 50 languages out-of-the-box. Each locale has its own language properties file containing keys for its language. When you create an...
Published Date: Jul 18, 2024 8:39 PM
Overriding Module Language Translations
Overriding Module Language Translations For Liferay DXP 7.4 U4/Portal 7.4 GA8+, the Language Override tool is the recommended approach. Overriding language translations in specific applications...
Published Date: Jul 18, 2024 8:39 PM
The Benefits of Modularity
The Benefits of Modularity Dictionary.com defines modularity as the use of individually distinct functional units, as in assembling an electronic or mechanical system. The distinct functional units...
Published Date: May 9, 2024 6:55 PM
Contributing to Liferay Development
Contributing to Liferay Development The first thing to do in learning to fix bugs or contributing a feature is to become familiar with how to build the system. The Liferay Portal build system now...
Published Date: Nov 22, 2024 10:50 PM
Customizing JSPs with Dynamic Includes
Customizing JSPs with Dynamic Includes The liferay-util:dynamic-include tag is a placeholder into which you can inject content---JavaScript code, HTML, and more. The example project demonstrates...
Published Date: Jul 18, 2024 8:39 PM
OSGi and Modularity
OSGi and Modularity Modularity makes writing software, especially as a team, fun! Here are some benefits to modular development on Liferay: Liferay's runtime framework is lightweight, fast, and...
Published Date: Nov 22, 2024 10:50 PM
Organizing the Source
Organizing the Source It is important to have a solid understanding of how the Liferay source is organized when working on fixing a bug or adding a new feature to the product. The Liferay Source...
Published Date: Nov 22, 2024 10:50 PM
Adding a Language
Adding a Language Liferay ships with over 50 languages out-of-the-box. Translation is complete for many of these languages, and some are still in the translation process. Each language has its own...
Published Date: Jul 18, 2024 8:39 PM
Creating a Model Listener
Creating a Model Listener Model listeners listen for persistence method calls that signal changes to a specified model (such as update or add methods). Most of the methods model listeners use are...
Published Date: Jul 18, 2024 8:39 PM
Customizing Localization
Customizing Localization Liferay ships with 55 translations, making it ideal for deployments all over the world. Sometimes, however, you must modify a translation or provide a new one. Here you can...
Published Date: Jul 18, 2024 4:48 PM
Building Liferay Source
Building Liferay Source This section aims to provide instructions for building Liferay Portal from source as quickly as possible. Using a nightly snapshot bundle no longer requires a full build...
Published Date: Nov 22, 2024 10:50 PM
Extending Liferay
Extending Liferay Liferay DXP/Portal is highly customizable. Its modular architecture contains components you can extend and override dynamically using APIs.
Published Date: Jul 18, 2024 8:39 PM
Overriding Global Language Translations with Language Properties
Overriding Global Language Translations with Language Properties Liferay DXP/Portal implements headings, labels, and messages for many locales using language translations. You can override these...
Published Date: Jul 18, 2024 8:39 PM
Overriding OSGi Services
Overriding OSGi Services Liferay's OSGi container is a dynamic environment in which services can be added, removed, or overridden as needed. This framework registers Liferay components with the...
Published Date: Jul 18, 2024 8:39 PM
Using Portlet Filters
Using Portlet Filters Portlet filters intercept requests and responses at the start of each portlet request processing phase so you can add functionality there. This makes them useful for auditing...
Published Date: Jul 18, 2024 8:39 PM
Resolving Third Party Library Package Dependencies
Resolving Third Party Library Package Dependencies An application can rely on multiple OSGi modules. Resolving their Java package dependencies can be challenging. In a perfect world, every package...
Published Date: Nov 22, 2024 10:50 PM
Module Projects
Module Projects Liferay applications and customizations are OSGi modules: .jar files containing Java code and some extra configuration for publishing and consuming APIs. A module project comprises...
Published Date: Nov 22, 2024 10:50 PM
Command Line Gogo Shell
Command Line Gogo Shell If you're in a development environment, you can interact with the module framework locally from the command line. Gogo shell should only be run from the command line in...
Published Date: Nov 22, 2024 10:50 PM
7.3 Breaking Changes
7.3 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Published Date: May 9, 2024 6:55 PM
Exporting Packages
Exporting Packages In OSGi, packages are private by default. You must explicitly exporting a package so other modules can import and use them. Here's how to export packages: Open your bnd.bnd...
Published Date: Nov 22, 2024 10:50 PM
Semantic Versioning
Semantic Versioning Semantic Versioning is a three tiered versioning system for incrementing version numbers based on the degree of API change made in a releasable software component. It's a...
Published Date: Nov 22, 2024 10:50 PM
Using the Gogo Shell
Using the Gogo Shell The Gogo shell provides a way to interact with the module framework. Among other things, you can Dynamically install/uninstall bundles (modules) Examine package...
Published Date: Nov 22, 2024 10:50 PM
Importing Packages
Importing Packages You often find yourself in a position of needing functionality provided by another module. To access this functionality, you must import packages from other modules into your...
Published Date: Nov 22, 2024 10:50 PM
Gogo Shell Commands
Gogo Shell Commands The Gogo shell executes Felix Gogo basic commands and Liferay commands. The Gogo shell is accessible in the Control Panel (recommended) and from the command line. Here are some...
Published Date: Nov 22, 2024 10:50 PM
7.2 Breaking Changes
7.2 Breaking Changes This document presents a chronological list of changes that break existing functionality, APIs, or contracts with third party Liferay developers or users. We try our best to...
Published Date: May 9, 2024 6:55 PM
Using Servlet Filters
Using Servlet Filters Servlet filters can both pre-process requests as they arrive and post-process responses before they go to the client browser. You can apply functionality to requests and...
Published Date: Oct 18, 2024 4:07 PM
Fundamentals
Fundamentals Liferay development projects consist primarily of simple .jar files. These contain a few extra configuration files that make them OSGi modules, but they're easily understandable by...
Published Date: Jan 18, 2025 2:48 AM
Configuring Dependencies
Configuring Dependencies Liferay provides a container where modules can publish and consume functionality through their Java packages. Modules can leverage packages from other modules or...
Published Date: Nov 22, 2024 10:50 PM
APIs as OSGi Services
APIs as OSGi Services After you've learned what a module is and how to deploy one, you can use modules to define APIs and implement them. Liferay APIs are OSGi services, defined by Java interfaces...
Published Date: Nov 22, 2024 10:50 PM
Using an OSGi Service
Using an OSGi Service Liferay APIs are readily available as OSGi services. You can access a service by creating a field of that service type and annotating the field with @Reference, like this: ...
Published Date: Nov 22, 2024 10:50 PM
Finding Artifacts
Finding Artifacts To use external artifacts in your project, you must configure their dependencies in your build.gradle Gradle script. Before specifying an artifact as a dependency, you must first...
Published Date: Nov 22, 2024 10:50 PM
Specifying Dependencies
Specifying Dependencies You must satisfy all dependencies to compile and deploy a module successfully. After you find the dependency artifacts, add them as dependencies in your Gradle build file....
Published Date: Nov 22, 2024 10:50 PM
Reference
Reference 7.4 Breaking Changes 7.3 Breaking Changes 7.2 Breaking Changes Exported Third-Party Packages Portal Developer Properties
Published Date: Nov 22, 2024 10:50 PM
7.4 Breaking Changes
7.4 Breaking Changes Breaking changes break or significantly alter existing functionality or code structure. Here are all of the breaking changes for Liferay 7.4, starting with the latest quarterly...
Published Date: May 9, 2024 6:55 PM
Workflow Transitions
Workflow Transitions Subscription Transitions represent the paths a workflow can traverse. In the Workflow Designer's palette, transitions are the arrows connecting the workflow nodes: ...
Published Date: May 9, 2024 6:56 PM
Creating an Action Executor
Creating an Action Executor Workflow nodes can contain elements that execute custom logic via Groovy scripts. approve
Published Date: May 9, 2024 6:56 PM
Using the Script Engine in Workflow
Using the Script Engine in Workflow As of DXP 2024.Q3, scripting is disabled by default. You can enable it in System Settings → Script Management (under the Security category). Add Groovy scripts...
Published Date: May 9, 2024 6:56 PM
Workflow Designer Overview
Workflow Designer Overview Subscription The Process Builder's workflow designer is a graphical interface for creating workflow process definitions. The convenient drag and drop interface makes...
Published Date: May 9, 2024 6:56 PM
Crafting XML Workflow Definitions
Crafting XML Workflow Definitions As of DXP 2024.Q3, scripting is disabled by default. You can enable it in System Settings → Script Management (under the Security category). All Workflow...
Published Date: May 9, 2024 6:56 PM
Creating a Condition Evaluator
Creating a Condition Evaluator A Workflow condition node uses a Groovy script to determine the proper transition a workflow item traverses. Instead of writing logic in Groovy directly in a workflow...
Published Date: May 9, 2024 6:56 PM
Managing Workflows
Managing Workflows With the workflow framework, Users manage asset publication in custom-built workflow processes. Users with permission to access workflow process definitions in the Control Panel...
Published Date: May 9, 2024 6:56 PM
Using the Notification Queue
Using the Notification Queue Liferay 7.4 U75+/GA75+ Liferay provides the Notification Queue application for reviewing email notifications triggered by an object action. You can verify the status...
Published Date: May 9, 2024 6:56 PM
Workflow
Workflow Liferay DXP ships with a workflow engine that allows reviewing and approving content such as Blogs, Web Content, or Wikis before publication. Define any number of business...
Published Date: May 9, 2024 6:56 PM
Designing and Managing Workflows
Designing and Managing Workflows Building Workflows Managing Workflows Workflow Designer Workflow Designer Overview Workflow Nodes Creating Workflow Tasks Configuring Workflow Actions and...
Published Date: May 9, 2024 6:56 PM
Workflow Designer
Workflow Designer Subscription The Workflow Designer's user interface was refreshed in Liferay DXP 7.4 Update 20. The look and feel of the new builder is improved and the user experience is more...
Published Date: May 9, 2024 6:56 PM
Configuring Workflow Actions and Notifications
Configuring Workflow Actions and Notifications Subscription Using the workflow designer, users can configure Workflow Actions and notifications for each node. Actions are very adaptable and you...
Published Date: May 9, 2024 6:56 PM
Using Condition Nodes
Using Condition Nodes Subscription Condition nodes are useful for acting (transitioning, assigning, etc.) conditionally in the workflow. Perhaps you have multiple reviewers and must determine...
Published Date: May 9, 2024 6:56 PM
Assigning Task Nodes
Assigning Task Nodes Subscription Task nodes require interaction by people. To alert and associate tasks with the right people, use notifications and assignments, respectively. You can assign task...
Published Date: May 9, 2024 6:56 PM
Creating Workflow Tasks
Creating Workflow Tasks Subscription The default Single Approver Definition offers a simple introduction to workflow tasks. It has only two task nodes: Review and Update. The workflow enters the...
Published Date: May 9, 2024 6:56 PM
Using Forks and Joins
Using Forks and Joins Subscription Here you'll learn how to use the Fork, Join and Join XOR nodes. These nodes are useful for workflow processes that have multiple reviewers like the...
Published Date: May 9, 2024 6:56 PM
Using Task Timers
Using Task Timers Task nodes can include task timers to trigger an action after a specified time period. Timers are useful for ensuring a task does not go unattended for too long. Available timer...
Published Date: May 9, 2024 6:56 PM
Workflow Nodes
Workflow Nodes Subscription A Workflow Node represents a specific point in an approval process, whether it begins the review process, approves or rejects the asset, or reassigns the task. Below...
Published Date: May 9, 2024 6:56 PM
Activating Workflow
Activating Workflow You can activate a workflow process for an asset type either across the DXP instance or only on a specific site. When a workflow process is activated across the instance for a...
Published Date: May 9, 2024 6:56 PM
Using Workflows
Using Workflows Activating Workflow Reviewing Assets Using Workflow Metrics Workflow Metrics Reports
Published Date: May 9, 2024 6:56 PM
Reviewing Assets
Reviewing Assets When an asset's workflow is activated, one or more users must review it before publication. You can assign workflow review processes to specific users or to a particular Role (for...
Published Date: May 9, 2024 6:56 PM

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