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Liferay UI Tabs
Official Documentation
Liferay UI Tabs Tabs create dividers that organize content into individual sections. Content can be embedded or included from another JSP. To add tabs to your app, use the tag and specify each...
Using Liferay Util Body Bottom
Official Documentation
Using Liferay Util Body Bottom The body bottom tag is not a self-closing tag. It lets you add additional HTML or scripts to the bottom of the body tag. content placed between the opening and...
Using Liferay Util Get URL
Official Documentation
Using Liferay Util Get URL The get URL tag scrapes the URL provided by the url attribute. If a value is provided for the var attribute, the content from the screen scrape is scoped to that...
Using Liferay Util Include
Official Documentation
Using Liferay Util Include The include tag lets you include other JSP files in your portlet's JSP, theme, or web content. This can increase readability as well as provide separation of concerns for...
Liferay Util Tag Library
Official Documentation
Liferay Util Tag Library The Liferay Util taglib is used to pull other resources into a portlet or theme. You can use it to specify which resources to insert at the bottom or top of the page's...
Using Liferay Util Body Top
Official Documentation
Using Liferay Util Body Top The body top tag is not a self-closing tag. The content placed between the opening and closing of this tag is moved to the top of the body tag. When something is passed...
Using Liferay Util Buffer
Official Documentation
Using Liferay Util Buffer The buffer tag is not a self-closing tag. The content placed between the opening and closing of this tag is saved to a buffer and its output is assigned to the Java...
Using Liferay Util Dynamic Include
Official Documentation
Using Liferay Util Dynamic Include The dynamic include tag lets you specify a point or points in a JSP or theme where a developer can inject additional HTML, resources, or functionality, using the...
Using Liferay Util HTML Bottom
Official Documentation
Using Liferay Util HTML Bottom The HTML bottom tag is not a self-closing tag. Content placed between the opening and closing of this tag is moved to the bottom of the tag. When something is passed...
Using Liferay Util HTML Top
Official Documentation
Using Liferay Util HTML Top The HTML top tag is not a self-closing tag. The content placed between the opening and closing of this tag is moved to the tag. When something is passed using this...
Using Liferay Util Whitespace Remover
Official Documentation
Using Liferay Util Whitespace Remover The whitespace remover tag removes line breaks and tabs from code blocks included between the opening and closing of the tag. Below is an example configuration...
Using a JSP and MVC Portlet
Official Documentation
Using a JSP and MVC Portlet An easy way to start developing a web application is to add markup to a JSP file and render it using a portlet Java class. The W3E7 example application demonstrates...
Scoping Configurations
Official Documentation
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...
Dependency Injection
Official Documentation
Dependency Injection
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...
Creating Job Scheduler Templates
Official Documentation
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...
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...
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...
Servlets
Official Documentation
Servlets
Client Extensions UI Reference
Official Documentation
Client Extensions UI Reference Liferay's widget client extensions (custom element and iframe) register applications with Liferay, adding them as widgets to site pages. Additionally, you can style...
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...
Bundling Resources
Official Documentation
Bundling Resources
Bundling and Installing Resources into Your Theme via Themelets
Official Documentation
Bundling and Installing Resources into Your Theme via Themelets Themelets are small, modular pieces of code that you can reuse in multiple themes. Unlike themes themselves, themelets may only...
Bundling Independent UI Resources via Theme Contributors
Official Documentation
Bundling Independent UI Resources via Theme Contributors Theme contributors are modules that contain CSS and JavaScript resources and apply them to every page. They are independent from specific...
Embedding Widgets Using Templates
Official Documentation
Embedding Widgets Using Templates You can embed a widget in your theme to make it available on all pages using the chosen template file. When you are embedding a widget, you will need to reference...
Bundling a Thumbnail Preview into Your Theme
Official Documentation
Bundling a Thumbnail Preview into Your Theme A theme's thumbnail is the visual representation of how the theme looks when it is applied to a Site. The thumbnail is shown in the theme selection menu...
Bundling and Copying Files from an Existing Theme
Bundling and Copying Files from an Existing Theme By using gulp's kickstart task, you can copy the files from a previously created theme into any theme you choose. This functionality is useful in...
Setting Up an Environment and Creating a Theme
Official Documentation
Setting Up an Environment and Creating a Theme Creating a theme is the first step in theme development. Once you have your own theme, you can deploy it to your Liferay DXP instance, and use it for...
Using a CSS Client Extension
Official Documentation
Using a CSS Client Extension Liferay 7.4+ CSS client extensions introduce new CSS styling to pages. A deployed CSS client extension on a page adds to the page's existing styling, including theme...
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...
Upgrading a Theme
Official Documentation
Upgrading a Theme Themes developed for previous versions of Liferay DXP must be upgraded in order to be deployed to a new version. The gulp upgrade task updates Liferay version references and theme...
CSS YAML Configuration Reference
Official Documentation
CSS YAML Configuration Reference You can define a CSS client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a CSS client extension definition: ...
Theme CSS YAML Configuration Reference
Official Documentation
Theme CSS YAML Configuration Reference You can define a theme CSS client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a theme CSS 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...
Theme Favicon YAML Configuration Reference
Official Documentation
Theme Favicon YAML Configuration Reference You can define a theme favicon client extension with a client-extension.yaml file. Usage Details This client-extension.yaml file defines a theme favicon...
Theme Sprite Map YAML Configuration Reference
Official Documentation
Theme Sprite Map YAML Configuration Reference You can define a theme sprite map client extension with a client-extension.yaml file. Usage Details This client-extension.yaml defines a theme sprite...
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 CSS Client Extension
Official Documentation
Using a Theme CSS Client Extension Liferay 7.4+ With a theme CSS client extension, you can override the current theme's CSS files (main.css and clay.css) to change the look and feel of a page....
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...
Editor Config Contributor YAML Configuration Reference
Official Documentation
Editor Config Contributor YAML Configuration Reference Liferay DXP 2024.Q1+/Portal GA112+ This feature is currently behind a release feature flag (LPS-186870). Read Release Feature Flags for more...
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...
Data Set Actions
Official Documentation
Data Set Actions Liferay DXP 2024.Q1+/Portal GA112+ Currently, this feature is behind a release feature flag (LPS-164563). While managing data set, define actions to be used in the data set...
Using Data Set Actions
Official Documentation
Using Data Set Actions Liferay DXP 2024.Q1/Portal GA112 Currently, this feature is behind a release feature flag (LPS-164563). Here are some examples for how to use data set actions and perform...
Batch YAML Configuration Reference
Official Documentation
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: ...
Importing/Exporting Data
Official Documentation
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...
Integrating External Applications
Official Documentation
Integrating External Applications Custom Element and IFrame client extensions register applications with Liferay and render them as widgets on site pages. When you create one of these frontend...
Integrating Microservices
Official Documentation
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...
Object Action YAML Configuration Reference
Official Documentation
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
Official Documentation
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...
IFrame YAML Configuration Reference
Official Documentation
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: ...
Using Routes with Custom Elements
Official Documentation
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...
Object Validation Rule YAML Configuration Reference
Official Documentation
Object Validation Rule YAML Configuration Reference To define an Object Validation Rule client extension, add the objectValidationRule type to your client-extension.yaml file. Usage Details This...
Creating and Managing Objects
Official Documentation
Creating and Managing Objects Liferay 7.4+ Liferay Objects provides a convenient UI for creating custom applications that meet your business needs without writing code. You can also use Objects to...
Actions
Official Documentation
Actions Object actions define custom business logic that you can run manually or automatically for object entry events. Examples include delivering entry event data to a webhook URL, sending email...
Using Manual Actions
Official Documentation
Using Manual Actions Liferay 7.4 U60+/GA60+ When you use the standalone trigger for object actions, the actions become manual instead of automatic. Trigger these actions using these methods: ...
Activating and Deactivating Objects
Official Documentation
Activating and Deactivating Objects Custom objects are activated when published. While active, you can use the object to create entries via the Liferay UI or dedicated REST APIs. If needed, you can...
Auditing Object Events
Official Documentation
Auditing Object Events Liferay 7.4 U72+/GA72+ You can use Liferay's audit framework to track events for custom object definitions and their entries. To track entry events, you must enable entry...
Deleting Objects
Official Documentation
Deleting Objects Liferay 7.4 U26+/GA26+ You can delete draft and published object definitions. Deleting a definition removes its associated data, including the stored entries for published...