documentation aem headless. The following are examples of possible approaches for constructing URLs for AEM GraphQL API and image requests, for several popular headless frameworks and platforms. documentation aem headless

 
The following are examples of possible approaches for constructing URLs for AEM GraphQL API and image requests, for several popular headless frameworks and platformsdocumentation aem headless Where can I get a preview a Headless adaptive form? You can use the starter app to render and preview a custom Headless adaptive form

The AEM Headless Client for JavaScript contains an AEM Headless client that makes HTTP requests to AEM’s GraphQL APIs. Configuring the container in AEM. This tutorial explores how AEM’s GraphQL APIs and headless capabilities can be used to power the experiences surfaced in an external app. Tap in the Integrations tab. AEM Headless APIs allow accessing AEM. npm module; Github project; Adobe documentation; For more details and code. The most common deployment pattern with AEM headless applications is to have the production version of the application connect to an AEM Publish service. The AEM Headless Client for JavaScript is used to execute the GraphQL persisted queries that power the app. Objective. Last update: 2023-05-17. Developer. Learn to use modern front-end tools, like a webpack dev server, to rapidly develop the SPA against the AEM JSON model API. The latest version of AEM and AEM WCM Core Components is always recommended. env files, stored in the root of the project to define build-specific values. React environment file React uses custom environment files , or . Developer. Using a REST API introduce challenges: Adobe Experience Manager projects can be implemented in both headful and headless models, but the choice is not binary. The React App in this repository is used as part of the tutorial. The AEM Headless client, provided by the AEM Headless Client for JavaScript, must be initialized with the AEM Service host it connects to. How to use AEM provided GraphQL Explorer and API endpoints. Documentation AEM AEM Tutorials AEM Headless Tutorial CORS configuration for AEM GraphQL. The configured AEM service’s host/domain is then used to construct the AEM GraphQL API URLs and Image URLs. But, this doesn't list the complete capabilities of the CMS via the documentation. First, explore adding an editable “fixed component” to the SPA. AEM’s GraphQL APIs for Content Fragments. Headless Developer Journey; Headless Content Architect Journey; Headless Content Author. To enable Headless Adaptive Forms on your AEM 6. Tutorial Set up. Last update: 2023-05-17. Update Policies in AEM. This tutorial builds upon the WKND GraphQL App , a React app that consumes AEM Content Fragment content over AEM’s GraphQL APIs, however does not provide any in. learn about headless technology and why you would use it. Headless features can be used to manage and deliver content to multiple touch-points, while also enabling content authors to edit single page applications. How to use AEM provided GraphQL Explorer and API endpoints. technical support periods. Time; Headless Developer Journey: For developers new to AEM and headless technologies, start here for a comprehensive introduction to AEM and its headless features from the theory of headless through going live with your first headless project. Configure the Translation Connector. Headless Authoring Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to model your. An end-to-end tutorial illustrating how to build-out and expose content using AEM and consumed by a native mobile app, in a headless. If you require a basic introduction to creating Content Fragment Models, please see the appropriate chapter in the basic tutorial. You can also modify a storybook example to preview a Headless adaptive form. In this part of the AEM Headless Developer Journey, learn about headless technology and why you would use it. GraphiQL is included in all environments of AEM (but will only be accessible/visible when you configure your endpoints). Learn how to deep link to other Content Fragments within a. Develop your test cases and run the tests locally. Translating Headless Content in AEM. AEM 6. Content Fragments in Adobe Experience Manager (AEM) provide a structured approach to managing content. View the source code on GitHub. The AEM Headless Client for JavaScript is used to execute the GraphQL persisted queries that power the app. AEM Headless as a Cloud Service. AEM provides AEM React Editable Components v2, an Node. Learn how to deep link to other Content Fragments within a rich text field. Is it possible to use Headless adaptive forms with custom frameworks? Headless adaptive forms are based on. This tutorial uses a simple Node. The AEM Headless client, provided by the AEM Headless Client for JavaScript, must be initialized with the AEM Service host it connects to. Headless Authoring Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to model your. Understand how to build and customize experiences using AEM’s powerful features by exploring these development and deployment topics. npm module; Github project; Adobe documentation; For more details and code. Here you can specify: Name: name of the endpoint; you can enter any text. js application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries. React environment file React uses custom environment files , or . Learn about the different data types that can be used to define a schema. 16. Learn about the architecture of AEM Forms Headless Adaptive Forms and how it can help you quickly build forms for various platforms. : Guide: Developers new to AEM and. Connectors User GuideIn the previous chapter, you created and updated persisted queries using GraphiQL Explorer. Cross-origin resource sharing (CORS) Last update: 2023-09-28. Let’s create some Content Fragment Models for the WKND app. Developer. Last update: 2023-04-21. I'm looking for specific HTTP RESTful API documentation for AEM Assets headless-CMS. js-based SDK that allows the creation of React components, that support in-context component editing using AEM SPA Editor. The following configurations are examples. AEM Headless Tutorials - Use these hands-on tutorials to explore how to use the various options for delivering content to headless endpoints with AEM and chose what. The journey may define additional personas with which the translation specialist must interact, but the point-of-view for. AEM as a Cloud Service lets you capitalize on the AEM applications in a cloud-native way, so that you can: Scale your DevOps efforts with Cloud Manager: CI/CD framework, autoscaling, API connectivity, flexible deployment modes, code quality gates, service delivery transparency, and guided updates. React environment file React uses custom environment files , or . To determine the correct approach for managing build dependent configurations, reference the AEM Headless app’s framework (for example, React, iOS, Android™, and so on) documentation, as the approach varies by framework. Headless Authoring Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how. supports headless CMS scenarios where external client applications render experiences using content managed in AEM. AEM Headless single-page app (SPA) deployments involve JavaScript-based applications built using frameworks such as React or Vue, that consume and interact with content in AEM in a headless manner. Select the Content Fragment Model and select Properties form the top action bar. Last update: 2023-05-17. Documentation AEM 6. We’ll cover retrieving Content Fragment data from AEM’s GraphQL APIs and displaying it in the React app. AEM Headless Translation Journey - This documentation journey gives you a broad understanding of headless technology, how AEM serves headless content, and how you can translate it. This React application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries. Publish Content Fragments. Advanced Modeling for GraphQL. At the beginning of the AEM Headless Content Architect Journey the Introduction covered the basic concepts and terminology relevant to modeling content for headless. The WKND Site is an Adobe Experience Manager sample reference site. For AEM SPA Editor to integrate a SPA into it’s authoring context, a few additions must be made to the SPA. Headless Authoring Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to model your. Once headless content has been translated,. Content Fragments are editorial content, with definition and structure, but without additional visual design and/or layout. This server-to-server application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries and print it on terminal. Ensure that UI testing is activated as per the section Customer Opt-In in this document. The ImageComponent component is only visible in the webpack dev server. This is a critical configuration when using SPA Editor, since only AEM Components that have mapped SPA component counterparts are render-able by the SPA. Hello and welcome to the Adobe Experience Manager Headless Series. In today’s series, we’re going to take a look at modeling basics in Adobe Experience Manager by first looking at the WKND Site. Create Content Fragment Models. These remote queries may require authenticated API access to secure headless content delivery. The Story So Far. Headless Developer Journey: Explore this guided journey through the powerful and flexible headless features of AEM to prepare for your first headless project. Generally you work with the content architect to define this. References to other content, such as images or other Content Fragments can be dynamically inserted in-line within the flow of the text. Navigate to Navigation -> Assets -> Files. Stop the webpack dev server and from the root of the project, deploy the changes to AEM using your Maven skills: $ cd aem-guides-wknd-spa $ mvn clean install . On the Source Code tab. Below is a simple path for creating, managing, and delivering experiences using AEM as a Cloud Service in five steps for users who are already familiar with AEM and headless technology. Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to leverage them on your project. Tutorial Set up. Learn to author content and embed referenced content using a multi-line rich text editor with Adobe Experience Manager Content Fragments, and how rich text is delivered by AEM's GraphQL APIs as JSON to be consumed by headless applications. Remember that headless content in AEM is stored as assets known as Content Fragments. Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to use them on your project. The configured AEM service’s host/domain is then used to construct the AEM GraphQL API URLs and Image URLs. Hello and welcome to the Adobe Experience Manager Headless Series. Developer. 5 AEM Headless Journeys Learn Content Modeling Basics. The configured AEM service’s host/domain is then used to construct the AEM GraphQL API URLs and Image URLs. Select Save. Learn how AEM can go beyond a pure headless use case, with. The advanced tutorial illustrates in-depth aspects of working with Content Fragment Models, Content Fragments, and the AEM GraphQL persisted queries, including using the. Adobe Experience Manager as a Cloud Service’s Cross-Origin Resource Sharing (CORS) facilitates non-AEM web properties to make browser-based client-side calls to AEM’s GraphQL APIs, and other AEM Headless resources. The completed SPA, deployed to AEM, can be dynamically authored with traditional in. A modern content delivery API is key for efficiency and performance of Javascript-based frontend applications. The zip file is an AEM package that can be installed directly. This end-to-end tutorial continues the basic tutorial that covered the fundamentals of Adobe Experience Manager (AEM) Headless and GraphQL. How to organize and AEM Headless project. AEM makes it easy to manage your marketing content and assets. The advanced tutorial illustrates in-depth aspects of working with Content Fragment Models, Content Fragments, and the AEM GraphQL persisted queries, including using the. In AEM 6. Let’s create some Content Fragment Models for the WKND app. Deploying a SPA that interacts AEM in a headless manner involves hosting the SPA and making it accessible via a web browser. Download Advanced-GraphQL-Tutorial-Starter-Package-1. Learn about the different data types that can be used to define a schema. How to organize and AEM Headless project. An end-to-end tutorial illustrating how to build-out and expose content using AEM's GraphQL APIs and consumed by an external app, in a headless CMS scenario. This Web Component application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries and render a portion of UI, accomplished using pure JavaScript. Created for: Intermediate. AEM provides a Translation Integration Framework for headless content, allowing Content Fragments and supporting assets to be easily translated for use across locales. Content Fragments in Adobe Experience Manager (AEM) provide a structured approach to managing content. Get to know how to organize your headless content and how AEM’s translation tools work. AEM Local Development Access Tokens are used to accelerate the development of integrations with AEM as a Cloud Service that programmatically interacts with AEM Author or Publish services over HTTP. AEM Forms Headless Adaptive Forms provide a fast and efficient way to create forms for various platforms including Headless or Headful CMS, React applications, Single Page Applications (SPA), Web Apps, Mobile apps, Amazon Alexa, Google Assistant, WhatsApp, and more. The Story so Far. This tutorial explores how AEM Content Services can be used to power the experience of an Mobile App that displays Event information (music, performance, art, etc. This server-to-server application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries and print it on terminal. This means you can realize headless delivery of. Adobe Experience Manager as a Cloud Service’s Cross-Origin Resource Sharing (CORS) facilitates non-AEM web properties to make browser-based client-side calls to AEM’s GraphQL APIs, and other AEM Headless resources. This page provides an introduction to the logical architecture, the service architecture, the system architecture, and the development architecture for AEM as a Cloud Service. Second, since it favors a single request architecture, it allows us to avoid multiple queries to Adobe Experience Manager. This journey is designed for the translation specialist persona, often referred to as the Translation Project Manager or TPM. The WKND Site is an Adobe Experience Manager sample reference site. When using the AEM React Editable Components with a SPA Editor-based React app, the AEM ModelManager SDK, as the SDK: Retrieves content from AEM. AEM as a Cloud Service GraphQL API used with Content Fragments is heavily based on the standard, open source GraphQL API. Each environment contains different personas and with. Adobe Experience Manager as a Cloud Service’s Cross-Origin Resource Sharing (CORS) facilitates non-AEM web properties to make browser-based client-side calls to AEM’s GraphQL APIs, and other AEM Headless resources. This end-to-end tutorial continues the basic tutorial that covered the fundamentals of Adobe Experience Manager (AEM) Headless and GraphQL. Ensure only the components which we’ve provided SPA. Adobe Experience Manager as a Cloud Service’s Cross-Origin Resource Sharing (CORS) facilitates non-AEM web properties to make browser-based client-side calls to AEM’s GraphQL APIs, and other AEM Headless resources. js) Remote SPAs with editable AEM content using AEM SPA Editor. Learn the Content Modeling Basics for Headless with AEM. . The focus lies on using AEM to deliver and manage (un. Tap or click on the folder for your project. In, some versions of AEM (6. The GraphQL API in AEM allows you to expose Content Fragment data to downstream applications. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). They can be requested with a GET request by client applications. Content Fragment Models Basics and Advanced features such as different Data types and respective usages. Authorization requirements. Wrap the React app with an initialized ModelManager, and render the React app. For Java and WebDriver, use the sample code from the AEM Test Samples repository. 5 AEM Headless Journeys Learn Authoring Basics. AEM provides AEM React Editable Components v2, an Node. Ensure you adjust them to align to the requirements of your project. Prerequisites. I checked the Adobe documentation, including the link you provided. This involves structuring, and creating, your content for headless content delivery. Developer. It contains the following artifacts: The Quickstart jar - an executable jar file that can be used to set up both an author and a publish instance. A primary use case for The Adobe Experience Manager as a Cloud Service (AEM) GraphQL API for Content Fragment Delivery is to accept remote queries from third-party applications or services. Documentation AEM AEM Tutorials AEM Headless Tutorial Author and Publish Architecture with AEM GraphQL. . Navigate to Tools -> Assets -> Content Fragment Models. Is it possible to use Headless adaptive forms with custom frameworks? Headless adaptive forms are based on standard specification. In this chapter, we replace the Home view’s title, “Current Adventures”, which is hard-coded text in Home. Created for: Intermediate. Created for: Beginner. Populates the React Edible components with AEM’s content. AEM GraphQL API requests. Create Content Fragment Models. Content models. In today’s series, we’re going to take a look at modeling basics in Adobe Experience Manager by first looking at the WKND Site. Slider and richtext are two sample custom components available in the starter app. Provides important information about the latest release of AEM, including what’s new, supported platforms, deprecated and removed features, and known issues. Last update: 2022-11-23. If you require a basic introduction to creating Content Fragment Models, please see the appropriate chapter in the basic tutorial. Is it possible to use Headless adaptive forms with custom frameworks? Headless adaptive forms are based on. Headless Architect Journey - Start here for an introduction to the powerful, and flexible, headless features of Adobe Experience Manager, and how to model content for your project. js with a fixed, but editable Title component. The option Enable model is activated by default. At the beginning of the AEM Headless Content Author Journey the Introduction covered the basic concepts and terminology relevant to authoring for headless. Tap or click Create. They can be used to access structured data, including texts, numbers, and dates, amongst others. It’s ideal for getting started with the basics. Created for: Intermediate. Authoring Basics for Headless with AEM. Let’s create some Content Fragment Models for the WKND app. The response of a GET request can be cached at the Dispatcher and Content Delivery Network (CDN) layers, ultimately. The AEM Headless quick setup gets you hands-on with AEM Headless using content from the WKND Site sample project, and a sample React App (a SPA) that consumes the content over AEM Headless GraphQL APIs. Connectors User GuideHeadless Setup. The sample React app has three main parts: The src/api folder contains files used to make GraphQL queries to AEM. This end-to-end tutorial continues the basic tutorial that covered the fundamentals of Adobe Experience Manager (AEM) Headless and GraphQL. PrerequisitesThis tutorial walks through the implementation of a Angular application for a fictitious lifestyle brand, the WKND. JANUARY 2019 | The hybrid architecture of Adobe Experience Manager 6 Experience Manager: A hybrid CMS Experience Manager takes a hybrid approach that offers the best of both worlds: the efficiency and ease of use of a traditional CMS combined with the flexibility and scalability of a headless development framework. It’s ideal for getting started with the basics. AEM Headless as a Cloud Service. PrerequisitesExample applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). AEM GraphQL API requests. js (JavaScript) AEM Headless SDK for Java™. 4. Get to know how to organize your headless content and how AEM’s translation tools work. Created for: Beginner. If you require a basic introduction to creating Content Fragment Models, please see the appropriate chapter in the basic tutorial. The Story So Far. In this part of the AEM Headless Content Author Journey, you can learn the (basic) concepts and terminology necessary to understand authoring content when using Adobe Experience Manager (AEM) as a Cloud Service as a Headless CMS. AEM Headless Developer Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities,. It’s ideal for getting started with the basics. Topics: Content Fragments View more on this topic. AEM technical documentation - If you already have a firm understanding of AEM and headless technologies, you may want to directly consult our in-depth technical docs. These remote queries may require authenticated API access to secure headless content. Set up headless content delivery and management in AEM by Jeremy Lanssiers Overview We set up headless content delivery and headless content management by using AEM’s GraphQL to deliver and Assets API to manage content (via Content Fragments). Created for:. If you require a basic introduction to creating Content Fragment Models, please see the appropriate chapter in the basic tutorial. View. Adaptive Forms Core Components. This document provides and overview of the different models and describes the levels of SPA integration. . Get started with Adobe Experience Manager (AEM) and GraphQL. Created for: Intermediate. Adobe Experience Manager as a Cloud Service uses AEM Publish Dispatcher filters to ensure only requests that should reach. Click Create and Content Fragment and select the Teaser model. At the beginning of the AEM Headless Content Author Journey the Content Modeling Basics for Headless with AEM covered the basic concepts and terminology relevant to authoring for headless. With Headless Adaptive Forms, you can streamline the process of. Creating Content Fragment Models. Understand how to build and customize experiences using AEM’s powerful features by exploring these development and deployment topics. Last update: 2023-11-08. The creation of a Content Fragment is presented as a wizard in two steps. Last update: 2023-10-02. Learn how to create and publish a headless form using Adobe Experience Manager's adaptive forms in this step-by-step guide. AEM’s headless features. AEM Headless Developer Journey: This document: 1: Learn about CMS Headless Development: Learn about Headless Technology and when to use it. Tap or click Create -> Content Fragment. Anatomy of the React app. Opening the multi-line field in full screen mode enables additional formatting tools like Paragraph type, find and replace, spell check, and more. First, it provides efficient delivery of content fragments for your headless clients. env files, stored in the root of the project to define build-specific values. From the command line navigate into the aem-guides-wknd-spa. This journey lays out the requirements, steps, and approach to translate headless content in AEM. Last update: 2023-05-17. They can be requested with a GET request by client applications. Select the language root of your project. Select WKND Shared to view the list of existing. The following Documentation Journeys are available for headless topics. The Story So Far. The advanced tutorial illustrates in-depth aspects of working with Content Fragment Models, Content Fragments, and the AEM GraphQL persisted queries, including using the. This getting started guide assumes knowledge of both AEM and headless technologies. This document provides and overview of the different models and describes the levels of SPA integration. Prior to starting this tutorial ensure the following AEM instances are installed and running on your local machine: Now that we have a high level view of GraphQL, let’s look at why it was introduced into Adobe Experience Manager. To determine the correct approach for managing build dependent configurations, reference the AEM Headless app’s framework (for example, React, iOS, Android™, and so on) documentation, as the approach varies by framework. Navigate to the Software Distribution Portal > AEM as a Cloud Service. This tutorial builds upon the WKND GraphQL App , a React app that consumes AEM Content Fragment content over AEM’s GraphQL APIs, however does not provide any in. This article provides insights into how Headless Adaptive Forms work, and how they can be integrated with different applications to simplify the form building process. For publishing from AEM Sites using Edge Delivery Services, click here. js) Remote SPAs with editable AEM content using AEM SPA Editor. Search for “GraphiQL” (be sure to include the i in GraphiQL ). react. Documentation AEM 6. The following Documentation Journeys are available for headless topics. Persisted GraphQL queries. Anatomy of the React app. AEM Headless Translation Journey - This documentation journey gives you a broad understanding of headless technology, how AEM serves headless content, and how you can translate it. In the future, AEM is planning to invest in the AEM GraphQL API. Let’s create some Content Fragment Models for the WKND app. This allows developers to place SPA Editor-compatible components into the SPA views, and allow users to author the components’ content in AEM SPA Editor. Looking for a hands-on. Enter the preview URL for the Content Fragment. Documentation AEM AEM Tutorials AEM Headless Tutorial Content Fragment Variations. Learn about AEM’s GraphQL capabilities through the in-depth walk-through of Content Fragments and and AEM’s GraphQL APIs and development tools. Headless Authoring Journey - Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how. This chapter walks you through the steps to integrate the persisted queries with the WKND client application (aka WKND App) using HTTP GET requests within existing React components. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). It’s ideal for getting started with the basics. For an overview of how a simple SPA in AEM is structured and how it works, see the getting started guide for both React and Angular. x. The multi-line text field is a data type of Content Fragments that enables authors to create rich text content. Where can I get a preview a Headless adaptive form? You can use the starter app to render and preview a custom Headless adaptive form. Audience The tasks described in the Headless Getting Started Guides are necessary for a basic end-to-end demonstration of AEM’s headless capabilities. Learn how AEM can go beyond a pure headless use case, with options for in-context authoring and experience management. The AEM Headless SDK is set of libraries that can be used by clients to quickly and easily interact with AEM Headless APIs over HTTP. Documentation. An AEM project is required to setup-supporting configuration and content requirements to allow AEM SPA Editor to author a Remote SPA. We do this by separating frontend applications from the backend content management system. Tap or click the rail selector and show the References panel. AEM provides AEM React Editable Components v2, an Node. Topics: Developer Tools View more on this topic. React app with AEM Headless View the source code on GitHub A full step by step tutorial describing how this React app. GraphiQL is included in all environments of AEM (but will only be accessible/visible when you configure your endpoints). Hello and welcome to the Adobe Experience Manager Headless Series. This tutorial walks through the implementation of a Angular application for a fictitious lifestyle brand, the WKND. Using the GraphQL API in AEM enables the efficient delivery. Headless implementations enable delivery of experiences across platforms and channels at scale. Once headless content has been translated,. Tap Save & Close to save the changes to the Team Alpha fragment. Hello and welcome to the Adobe Experience Manager Headless Series. It’s ideal for getting started with the basics. The WKND Site is an Adobe Experience Manager sample reference site. Headless implementation forgoes page and component management, as is traditional in. React environment file React uses custom environment files , or . Topics: Content Fragments View more on this topic. This guide describes how to create, manage, publish, and update digital forms. In the basic tutorial multi-step GraphQL tutorial, you used the GraphiQL Explorer to test and refine the GraphQL queries. 0 or later. After the folder is created, select the folder and open its Properties. Documentation AEM 6. Merging CF Models objects/requests to make single API. The focus lies on using AEM to deliver and manage (un. The <Page> component has logic to dynamically create React components based on the. But, this doesn't list the complete capabilities of the CMS via the documentation. With our headless CMS you can create structured content once and reuse it across any digital touchpoint via APIs. It’s ideal for getting started with the basics. Adobe Experience Manager (AEM) is the leading experience management platform. js application is as follows: The Node. 2. AEM Headless as a Cloud Service. AEM Headless Translation Journey - This documentation journey gives you a broad understanding of headless technology, how AEM. It’s ideal for getting started with the basics. Created for: Developer. First select which model you wish to use to create your content fragment and tap or click Next. At the beginning of the AEM Headless Content Author Journey the Introduction covered the basic concepts and terminology relevant to authoring for headless. Content Services Tutorial. Last update: 2022-11-11. The AEM Headless Client for JavaScript is used to execute the GraphQL persisted queries that power the app. Start here for a guided journey through the powerful and flexible headless features of AEM, their capabilities, and how to use them on your project. This document provides an overview of the different models and describes the levels of SPA integration. Install GraphiQL IDE on AEM 6. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). When authorizing requests to AEM as a Cloud Service, use.