Aem graphql react. You are also welcome to create your own model following the basic steps and tweak the respective steps like GraphQL queries, and React App code or simply follow the steps outlined in these chapters. Aem graphql react

 
You are also welcome to create your own model following the basic steps and tweak the respective steps like GraphQL queries, and React App code or simply follow the steps outlined in these chaptersAem graphql react  The application uses two persisted queries: wknd/adventures-all persisted query, which returns all adventures in AEM with an abridged set of properties

While not recommended, it is possible to change the new default behavior to follow the older behavior (program ids equal or lower than 65000) by setting the Cloud Manager environment variable AEM_BLOB_ENABLE_CACHING_HEADERS to false. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). Overview; 1 - Create Content Fragment Models; 2 - Author Content Fragments; 3 - Explore the AEM GraphQL API; 4 - Persisted GraphQL Queries; 5 - Client Application Integration; Headless First Tutorial. React app with AEM Headless View the source code on GitHub A full step by step tutorial describing how this React app was build. Initialize your app by executing the following command: npx create-react-app graphql-typescript-react --template typescript // NOTE - you will need Node v8. An end-to-end tutorial illustrating how to build-out and expose content using AEM Headless. The AEM Headless quick setup gets you hands-on with AEM Headless using content from the WKND Site sample project, and a React App that consumes the content over AEM Headless GraphQL APIs. When our ReGraph application issues a GraphQL query, the GraphQL API sends a Cypher query to Neo4j via the Bolt protocol. Sickfits is an opportunity to learn more about React, GraphQL and a host of other modern technologies (listed below) to stay on the cutting edge of web development. This same REACT_APP_AEM_HOST environment variable is used to initialize the AEM Headless client used by useAdventureByPath(. 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. GraphQL is an open-source data query and manipulation language for APIs and a runtime for fulfilling queries with existing data. Double-click the aem-publish-p4503. What it does is a very simple thing. There are a couple ways to do this in this case we will use the create-next-app command. In the Basic Tutorial - Build a React app that uses AEM’s GraphQL APIs step we had reviewed and enhanced few key files to get hands-on expertise. Why? Because when we click “Submit”, we’ll need access to the current value of what was typed in. Before enhancing the WKND App, review the key files. An end-to-end tutorial illustrating how to build-out and expose content using AEM Headless. AEM Headless as a Cloud Service. Following AEM Headless best practices, the React application uses AEM GraphQL persisted queries to query adventure data. Incrementally adoptable: Drop Apollo into any JavaScript app and incorporate it feature by feature. This server-to-server application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries and print it on terminal. The ability to customize a single API query lets you retrieve and deliver the specific. Content Fragments. Community driven: Share knowledge with thousands of developers in the GraphQL community. json. That’s why I get so excited about the supergraph. js provides two important capabilities: building a type schema and serving queries against that type schema. Rich text with AEM Headless. 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. or and p. AEM Headless GraphQL Video Series; AEM Headless GraphQL Hands-on Tutorial. Adobe Experience Manager (AEM) provides various mechanisms to let you customize the page authoring functionality (and the consoles) of your authoring instance. Related Documentation. 0. The I18n class provides the get method that retrieves localized strings from the Adobe Experience Manager (AEM) dictionary. AEM Developer - Columbus, OH/ Wilmington, DE - Onsite. In the setup, you have a single (web) server that implements the GraphQL specification. You could use it with Angular, Vue, React or even native iOS and Android applications. A GraphQL API gateway can have a single-defined schema and source data from across many different microservices, so clients can query a combination of fields without knowing where the data is coming from. Yah if enabled is not true then how can react query fetch data in initial render look up to react query docs they purely assign that enabled is true it is pretty common right cause we always want the data in initial render so enabled is always true. Tap Home and select Edit from the top action bar. Limited content can be edited within AEM. Create your first React SPA in AEM Last update: 2023-09-26 Topics: SPA Editor Created for: Beginner Developer For publishing from AEM Sites using Edge. A GraphQL client for React using modern context and hooks APIs that’s lightweight (< 4 kB) but powerful; the first Relay and Apollo alternative with server side rendering. An end-to-end tutorial illustrating how to build-out and expose content using AEM Headless. The basic operation of queries with GraphQL for AEM adhere to the standard GraphQL specification. In the next chapter, Explore GraphQL APIs, you will explore AEM’s GraphQL APIs using the built-in GrapiQL tool. GraphQL API solves the problem by ensuring that the developer adds precisely the required resource field to each query. AEM 6. Get started with Adobe Experience Manager (AEM) and. js Full-Stack CRUD App Overview. In such cases there is the danger that multiple copies of the same JS library may be included in the final HTML output. Go to your back-end code, or wherever your graphql. Here’s the basic architecture we’re building. 5 also includes several digital experience platform features such as GraphQL support, built-in Adobe Target integration, and a new user interface for the AEM Screens device. yarn add -D @graphql-codegen/cli. Following AEM Headless best practices, the React application uses AEM GraphQL persisted queries to query adventure data. That’s it! Your. Add. 0+ and NPM v5. The GraphiQL tool also enables users to persist or save queries to be used by client applications in a production setting. Your PWA Studio application could use the AEM GraphQL endpoint URL directly, without a proxy with UPWARD. The React App in this repository is used as part of the tutorial. From the AEM Start menu, navigate to Tools > Deployment > Packages. Create a new React project locally with Create React App, or; Create a new React sandbox on CodeSandbox. Level 5. Step 2: Creating the React Application. Install Required Dependencies. Learn how to pass cache-control parameters in persisted queries. Select Edit from the mode-selector in the top right of the Page Editor. I am not sure what I missing but. npm install --save graphql. Unlike the REST APIs, a GraphQL server provides only a single endpoint and responds with the precise data that a client asked for. The package exports a bunch of React components: The GraphiQLProvider components renders multiple context providers that encapsulate all state management. All the AEM concepts required to work on real world projects. Throughout this tutorial, we’ll walk you through the step-by-step process of building a web experience using React and AEM Headless APIs with GraphQL. Build React app that fetches content/data from AEM GraphQL API, also see how AEM Headless JS SDK is used. In CRXDE Lite, select Tools from the toolbar, then Query, which opens the Query tab. Available for use by all sites. AEM Champions. For further details about the dynamic model to component mapping and. not parameters as well. This same REACT_APP_AEM_HOST environment variable is used to initialize the AEM Headless client used by useAdventureByPath(. The application uses two persisted queries: wknd/adventures-all persisted query, which returns all adventures in AEM with an abridged set of properties. With this feature,. The Page Model is an interpreter between AEM and the SPA and therefore always must be present. To improve network performance for large query strings, Apollo Server supports Automatic Persisted Queries (APQ). Developer. 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. Last update: 2023-10-25. GraphQL is a very straightforward and declarative new language to more easily and efficiently fetch and change data, whether it is from a database or even from static files. React was made for creating great user experiences with JavaScript. All the coding aspects including sling models, event listener, HTL, custom logger, etc. Learn how to define and use Content Fragments in Adobe Experience Manager (AEM) for use with GraphQL. I personally prefer yarn, but you can use npm as well, there’s no issue there. References to other content, such as images or other Content Fragments can be dynamically inserted in-line within the flow of the text. GraphiQL is a UI that lets you: Run queries against your data in the browser; Dig into the structure of data available to you through a data type explorer. You will experiment constructing basic queries using the GraphQL syntax. When a query arrives. This starts the author instance, running on port 4502 on the local computer. I am working on an AEM-Java project and facing an issue with graphql-java dependency where I am trying to add it on a maven project having a BND plugin. To address this problem I have implemented a custom solution. Performance with queryBuild is not that great, even with low number of content items, so we are thinking of writing our own in memory content cache and our own query. Test the API To. /config and call it appollo. A simple React app is used to query and display Team and Person content exposed by AEM’s GraphQL APIs. To address this problem I have implemented a custom solution. 5. *. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). The Modern Data Stack 🐰 — Directus is an instant REST+GraphQL API and intuitive no-code data collaboration app for any SQL database. Use of the trademark and logo are subject to the LF Projects trademark policy. The key configuration properties are: alloworigin and/or alloworiginregexp specifies the origins the client connecting to AEM web runs on. This simple React app uses the AEM Headless SDK to query AEM Headless APIs for an Adventure content,. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). With Adobe Experience Manager (AEM), you can use Content Fragments, together with the AEM GraphQL API (a customized implementation, based on standard GraphQL), to headlessly deliver structured content for use in your applications. The GraphQL API then can be implemented directly within the commerce solution using the tools and programming languages the commerce solution provides. Next, explore the power of AEM’s GraphQL API using the built-in GraphiQL Explorer. Using the same variable to construct the GraphQL API request as the image URL, ensure that the React app interacts with the same AEM service for both use cases. Enhance your skills, gain insights, and connect with peers. Learn about the various data types used to build out the Content Fragment Model. jar file to install the Author instance. App uses React v16. Locate the Publish Service (AEM & Dispatcher) link Environment Segments table; Copy the link’s address, and use it as the AEM as a Cloud Service Publish service’s URI; In the IDE, save the changes to . The simplest way to expose a connection. All i could get is basic functionality to check and run query. A client-side REST wrapper #. The AEM-managed CDN satisfies most customer’s performance and. This same REACT_APP_AEM_HOST environment variable is used to initialize the AEM Headless client used by useAdventureByPath(. A persisted query is a query string that's cached on the server side, along with its unique identifier (always its SHA-256 hash). This is a multi-part tutorial and it is assumed that an AEM author environment is available. 1. Designed for modern React: Take advantage of the latest React features, such as hooks. Learn how AEM automatically generates a GraphQL schema based on a Content Fragment model. The multi-line text field is a data type of Content Fragments that enables authors to create rich text content. This tutorial walks through the implementation of an AEM site for a fictitious lifestyle brand, the WKND. Examples The following are examples of how image URLs can prefix the AEM host value made configurable for various headless app frameworks. For cases that need customization (for example, when customizing the cache) you can use the API; see the cURL example provided in How to persist a GraphQL query. There are a number of different ways that these relationships can be exposed in GraphQL, giving a varying set of capabilities to the client developer. Probably fewer AEM developers and more React / Angular frontend developers required, simplifies hiring; The cons of the headless approach: SSR setup required, especially for content focused web. The discussion of whether to use HTL or JSP (Java™ Server Pages) when developing your own components should be straightforward as HTL is now the recommended scripting language for AEM. Say goodbye to glue code, and hello to our unified GraphQL data layer! Learn More. NOTE: This article is using apollo-client@v2. Architecture diagram showing how ReGraph integrates with Neo4j. Eve Porcello is the co-founder of Moon Highway, a curriculum development and training company based in Central Oregon. GraphQL IDEs let you build queries, browse schemas, and test out GraphQL APIs. Finally, we’ll execute npm install in the backend folder. Now that our Prisma server is ready, we can set up our React app to consume thePrisma GraphQL endpoint. The ImageRef type has four URL options for content references: _path is the referenced path in AEM,. 1. x. Fully customizable (React, Next. In the Basic Tutorial - Build a React app that uses AEM’s GraphQL APIs step we had reviewed and enhanced few key files to get hands-on expertise. The GraphiQL IDE is available in AEM for you to develop, test, and persist your GraphQL queries, before transferring to your production environment. The easiest way of all these different approaches to fetch data is to just use React query plus the fetch API. This persisted query drives the initial view’s adventure list. Headless implementation forgoes page and component. The application uses two persisted queries: wknd/adventures-all persisted query, which returns all adventures in AEM with an abridged set of properties. 5. Learn how to define and use Content Fragments in Adobe Experience Manager (AEM) for use with GraphQL. The execution flow of the Node. Rate limits are stricter when fewer API requests are allowed per timeframe. Throughout the article, we will apply these principles to handling Apollo errors (both GraphQL and network) in React. NOTE. For example, in the Basic Types documentation we had an endpoint called rollThreeDice: type Query {. A “Hello World” Text component displays, as this was automatically added when generating the project from the AEM Project archetype. Let’s say you are building an app that displays a list of posts in a feed. Leverage instructor-led tutorials specifically designed for GraphQL beginners. In this video you will: Understand the power behind the GraphQL language. Content Fragments in AEM provide structured content management. npx create-next-app --ts next-graphql-app. This React application demonstrates how to query content using AEM’s GraphQL APIs using persisted queries. Each AEM as a Cloud Service environment has it’s own Developer Console. But it’s no secret that Magento’s built-in CMS doesn’t go far when your business scales. Last update: 2023-08-15 Topics: Content Fragments GraphQL API Learn to use GraphQL with AEM so you can serve content headlessly by exploring sample content and queries. If you want to know more about GraphQL, you can read more about why Gatsby uses it and check out this conceptual guide on querying data with GraphQL. React App - AEM Headless Example | Adobe Experience Manager Access to - 561477 Learn about AEM’s GraphQL capabilities through the in-depth walk-through of Content Fragments and and AEM’s GraphQL APIs and development tools. all-2. Learn how to be an AEM Headless first application. Contribute to adobe/aem-react-spa development by creating an account on GitHub. Using the same variable to construct the GraphQL API request as the image URL, ensure that the React app interacts with the same AEM service for both use cases. In addition, I've wanted to build a fully-functioning E-commerce website with payment processing and an email server to improve my back-end skills. AEM as a Cloud Service provides a Developer Console for each environment that exposes various details of the running AEM service that are helpful in debugging. value=My Page group. An end-to-end tutorial illustrating how to build-out and expose content using AEM Headless. Example applications are a great way to explore the headless capabilities of Adobe Experience Manager (AEM). To address this problem I have implemented a custom solution. It saves both data and errors into the Apollo Cache so. The completed SPA, deployed to AEM, can be dynamically authored with traditional in-line editing tools of. Following AEM Headless best practices, the React application uses AEM GraphQL persisted queries to query adventure data. Overlay is a term that is used in many contexts. cq. Gatsby sites are fully functional React apps, so you can create high-quality, dynamic web apps, from blogs to e-commerce sites to user dashboards. Headless implementations enable delivery of experiences across platforms and channels at scale. aem-guides-wknd. 3 - Explore GraphQL APIs; 4 - Build a React app; Advanced Tutorial. Implement to run AEM GraphQL persisted queries. 5. . Authentication for Remote AEM GraphQL Queries on Content Fragments; AEM GraphQL API with Content Fragments - Sample Content and Queries; Hybrid and SPA AEM Development. <br>I can provide contract development service as senior or lead developer to all above platforms, great experience. Everything in a query builder query is implicitly in a root group, which can have p. React Router is a collection of navigation components for React applications. This sample application retrieves the content from AEM by invoking the persisted GraphQL queries and renders it in an immersive experience. Sling Models are annotation driven Java “POJO’s” (Plain Old Java Objects) that facilitate the mapping of data from the JCR to Java variables. Master the process of thinking about your applications data in terms of a graph structure. This tutorial will introduce you to the fundamental concepts of GraphQL including −. Pricing. Reply. Overview; 1 - Content modeling; 2 - AEM Headless APIs and. To get started with GraphQL queries and how they work with AEM Content Fragments, it helps to see some practical examples. First of all, we’ll start by creating a new React project. 3. The Single-line text field is another data type of Content Fragments. react project directory. GraphQL Playground. GraphQL has a first-class way to factor dynamic values out of the query, and pass them as a separate dictionary (variables). Browse the following tutorials based on the technology used. Local development (AEM 6. Teams. There are two parallel versions of the tutorial: Create your first Angular SPA in AEM. Before we move to the next method, let’s quickly take a look at fetching data from the GraphQL API endpoint. run npm command: npm install --save @apollo/react-hooks apollo-cache-inmemory apollo-client apollo-link-graphql graphql-tag isomorphic-unfetch next-with-apollo. Ensure you adjust them to align to the requirements of your. The future of e-commerce is now. We start by installing it: yarn add graphql. 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 code. This simple React app uses the AEM Headless SDK to query AEM Headless APIs for an Adventure content, and displays the web-optimized image using img element with srcset and picture element. 0. Objectives. It is fully managed and configured for optimal performance of AEM applications. The examples. AEM and Adobe Commerce are seamlessly integrated using the Commerce Integration Framework (CIF). GraphQL Editor user interface does not let you scroll through all the persisted queries when there is a high number of queries (for example, more than. GraphQL also provides us a way to assign default values to the variables. ) custom useEffect hook used to fetch the GraphQL data from AEM. properties file beneath the /publish directory. Dates and timezones are one of the most commonly used data types in building modern apps. The only required parameter of the get method is the string literal in the English language. Part 2: Setting up a simple server. Since the fetch API is included in all modern browsers, you do not need to install a third-party library – you only need to install react-query within your application. Just like a REST API, it's common to pass arguments to an endpoint in a GraphQL API. The GraphiQL tool also enables users to persist or save queries to be used by client applications in a production setting. Before you start your. Reproduce Scenario (including but not limited to) Starting over in a new directory causes the problem to reproduce. The application uses two persisted queries: wknd/adventures-all persisted query, which returns all adventures in AEM with an abridged set of properties. x. We are actively hiring for LEAD FRONT-END REACT DEVELOPERLOCATION: 100% REMOTEW2 positionJOB TITLE:…See this and similar jobs on LinkedIn. This persisted query drives the initial view’s adventure list. 0 @okta/okta-auth-js@5. NOTE: You can also use the Okta Admin Console to create your app. Head back to your terminal and execute the following command to install Now CLI: npm install -g now. GraphQL query is an API for headless architecture to deliver content fragment data in the form of JSON. In this chapter, you explore how AEM’s GraphQL APIs can drive the experience in an external application. Client type. The build will take around a minute and should end with the following message: The GraphiQL tool enables developers to create and test queries against content on the current AEM environment. Cloud Manager Onboarding Playbook; Cloud Manager Environment Types; Cloud Manager UI; AEM. ) custom useEffect hook used to fetch the GraphQL data from AEM. Get started with Adobe Experience Manager (AEM) and GraphQL. Editor’s Note: This post was updated on 14 May 2021 to reflect updated information and new code using TypeScript to add type safety and with DataLoader to avoid N+1s, using Prisma instead of Knex for the database layer, and incorporating a code-first GraphQL schema approach. Queryable interfaces. This tutorial uses a simple Node. This can be done by creating a new GraphQL servlet in the AEM configuration manager, and then adding the required GraphQL schema and queries to the servlet. Cloud-Ready: If desired, use AEM as a Cloud Service to go-live in few days and ease scalability and maintenance. Remember, we’ve been working with a REST API up to this point. js initializes and exports the AEM Headless Client used to communicate with AEM; src/api/usePersistedQueries. Improve validation and sanitization. Select Create. g. 5. Get up and running with Apollo Client in React. This is one of the three special Content-Type s that can be set on simple requests, enabling your server to process mutation s sent in simple requests. Integrate with AEM; Advanced. Make a new folder. The touch-enabled UI includes: The suite header that: Shows the logo. It also must be configured with an ApolloClient instantiated with a parameter telling the URL of the GraphQL endpoint in the backend. The Angular app is developed and designed to be deployed with AEM’s SPA Editor, which maps Angular components to AEM components. zip file. 5 service pack 12. *. 22. For example, a URL such as:With Adobe Experience Manager (AEM) as a Cloud Service, Content Fragments lets you design, create, curate, and publish page-independent content. Yes, AEM provides OOTB Graphql API support for Content Fragments only. GraphQL is more precise, accurate, and efficient. Lift-off Series. AEM Headless is a CMS solution from Experience Manager that allows structured content (Content Fragments) in AEM to be consumed by any app over HTTP using GraphQL. Microservices still would use REST / Thrift protocol for communication though. zip: AEM 6. 2) Using GraphQl for fetching data from Strapi: You can use the graphql. Next Steps. Setup React Project. Open your page in the editor and verify that it behaves as expected. 5 or later; AEM WCM Core Components 2. GraphQL Basics. json. Then you'll have books as a list of { data: book: { title } }. I have made a bunch of React component calling GraphQL using the Query component and everything is working fine. Using GraphQLClient allows us to set the API key on each request. AEM SPA Model Manager is installed and initialized. Webpack 5+ The AEM Headless JS SDK has dependencies on util which is not included in Webpack 5+ by default. As of last week I had completely setup the AEM SDK with the Venia store front with all the components working. Experience LeagueWe will be using GraphQL Code Generator. For AEM as a Cloud. Q&A for work. Navigate to the Software Distribution Portal > AEM as a Cloud Service. js application is as follows: The Node. Developer. js App. GraphQL server with a connected database. The srcset and sources use a custom setParams function to append the web-optimized delivery query parameter to the _dynamicUrl of the image, so change the. x. Run AEM as a cloud service in local to work with GraphQL query. Last update: 2023-06-23. Rich text with AEM Headless. If the GraphQL server we are using doesn’t provide multiple endpoints as an inbuilt feature, we can attempt to code it in our application. The SPA retrieves this content via AEM’s GraphQL API. To get all blog posts from the API, we use the useGetPosts function. Provides language services for LSP-based IDE extensions using the graphql-language-service. Develop Single-Page Applications with React in AEM is a 2-day, instructor-led (classroom or virtual) course, formerly known as Getting Started with Single-Page App Editor v6 and is relevant for all deployment methods. ) custom useEffect hook used to fetch the GraphQL data from AEM. The sample React app has three main parts: The src/api folder contains files used to make GraphQL queries to AEM. Create the Sling Model. One of Gatsby’s main strengths is the ability to query data from a variety of sources in a uniform way with GraphQL. The multi-line text field is a data type of Content Fragments that enables authors to create rich text content. It is possible to merge (combine) multiple gql queries into one with interpolation (credit to @maxdarque): const fieldsOnBook = gql` fragment fieldsOnBook on Book { id author. The GraphQL schema can contain sensitive information. AEM as a Cloud Service and AEM 6. Generating GraphQL docs out of GraphQL descriptions in markdown; Comparing different versions of GraphQL schemas with special node-sort sorting nodes and its fields to show the real difference in GraphQL Schema on AST omitting line numbers; Table of contents. In one component I need to have some initial data from the database, but without any visual representation. We create fields, attach Sling injector annotations to them, add getters and, thus, receive data-filled objects. Consume AEM’s GraphQL APIs from the SPA application;. This gives us the best of both worlds: GraphQL clients can continue to rely on a consistent mechanism for getting a globally unique ID. Intermediate Developer Welcome to this tutorial chapter where we will explore configuring a React app to connect with Adobe Experience Manager (AEM) Headless APIs using the AEM Headless SDK. Topics: Content Fragments. Developer. GraphQL API. Welcome to a multi-part tutorial designed for developers new to Adobe Experience Manager (AEM). Without Introspection and the Schema, tools like these wouldn't exist. GraphQL comes with default scalar types like Int, Float, String, Boolean and ID. { "dependencies": { "node-sass": "^7. The following configurations are examples. GraphQL queries. ; Use GraphQL schema provided by: use the dropdown to select the required site/project. The benefit of this approach is cacheability. It is also a server-side runtime for executing queries when you define a type system for your data. Create your first React Single Page Application (SPA) that is editable in Adobe Experience Manager AEM with the WKND SPA. commerce. . Contributing . Explore AEM’s GraphQL capabilities by building out a React App that consumes Content Fragments via AEM’s GraphQL APIs. Fetching data from a GraphQL API endpoint. To help with this see: A sample Content Fragment structure. Universally compatible: Use any build setup and any GraphQL API. This same REACT_APP_AEM_HOST environment variable is used to initialize the AEM Headless client used by useAdventureByPath(. Learn about AEM’s GraphQL capabilities through the in-depth walk-through of Content Fragments and and AEM’s GraphQL APIs and development tools. Learn how to create a SPA using the React JS framework with AEM's SPA Editor. In GraphQL, editing data is done via a Mutation. 1" } } Then, run the following command, and there should be no errors. GraphQL API. Experience League. The com. Topics: Developing. This is the same framework used to translate other AEM content, such as Pages, Experience Fragments, Assets, and Forms. From the command line navigate into the aem-guides-wknd-spa.