- [Home page](https://www.brimit.com/) - [Blog](https://www.brimit.com/blog) # GraphQL Extensibility: A “SelectSingleItem” Query [#How-to](https://www.brimit.com/blog?categories=#How-to) [DXP](https://www.brimit.com/blog?platforms=DXP) [Artsem Prashkovich](https://www.brimit.com/blog/author?authors=Artsem%20Prashkovich) on August 10, 2020 The Sitecore GraphQL API is an implementation of a GraphQL server on top of Sitecore. It is designed to be a generic GraphQL service platform, i.e. it's designed to host your API and present it via GraphQL queries. The API also supports real-time data using GraphQL subscriptions. Last year we worked on building sites based on Sitecore JSS architecture. As usual, all of our pages had a datasource that are located in an item in the PageComponents folder: ![](https://www.brimit.com/-/media/project/brimit/blog/2020/datasources.png) For example, we want to have a component that renders all banners from the Banners folder. We use the Component GraphQL Query to define a structure of data that comes from the Layout Service. By default, GraphQL doesn’t support the Sitecore item queries, such as query:./\*[@@name='Page Components']. But sometimes it would be great to have more flexibility than requesting an item only by item path or its ID. To make it possible, we decided to build a custom query. You can find the code below. ![](https://www.brimit.com/-/media/project/brimit/blog/2020/article-single-sample1.png) The complete code is available by the [link](https://github.com/ampach/Sitecore/blob/master/GraphQL%20Queries/SelectSingleItemQuery.cs). Then we need to register our query: ![](https://www.brimit.com/-/media/project/brimit/blog/2020/article-single-sample2.png) The config file is available [here](https://github.com/ampach/Sitecore/blob/master/GraphQL%20Queries/SelectSingleItemQuery.config). When the query is deployed to the website root, we can build the following query: ![](https://www.brimit.com/-/media/project/brimit/blog/2020/sitecore-item-query.png) ![](https://www.brimit.com/-/media/project/brimit/blog/article-single-sample3.png) Also, using this extension, we can can rebuild the query mentioned in [GraphQL Extensibility: SiteRelativeItem Query](https://www.brimit.com/blog/graphql-extensibility-siterelativeitem-query) by building the query like below. ![](https://www.brimit.com/-/media/project/brimit/blog/article-single-sample4.png) The result will be the same as in the case of using the [SiteRelativeItem Query](https://www.brimit.com/blog/graphql-extensibility-siterelativeitem-query). ###### More from author ##### Deploy custom headless Sitecore solution in Sitecore XM Cloud November 10, 2022[Deploy custom headless Sitecore solution in Sitecore XM Cloud](https://www.brimit.com/blog/deploy-custom-headless-sitecore-solution-in-sitecore-xm-cloud) ##### Running custom next.js editing host in Sitecore XM Cloud September 29, 2022[Running custom next.js editing host in Sitecore XM Cloud](https://www.brimit.com/blog/running-custom-next-js-editing-host-in-sitecore-xm-cloud) ##### Running node.js based rendering host in Sitecore Managed Cloud August 3, 2022[Running node.js based rendering host in Sitecore Managed Cloud](https://www.brimit.com/blog/running-node-js-based-rendering-host-in-sitecore-managed-cloud) ###### Author ![artsiom-photo](https://www.brimit.com/-/jssmedia/feature/blogs/authors/artsiom-200.jpg?h=202&iar=0&w=200&hash=41797D2540DF6EB6FDF558360F6F62B8) Artsem Prashkovich Sitecore MVP/ Solution Architect [Artsem Prashkovich](https://www.brimit.com/blog/author?authors=Artsem%20Prashkovich) ###### More by category [#Events](https://www.brimit.com/blog?categories=#Events) [#How-to](https://www.brimit.com/blog?categories=#How-to) [#News](https://www.brimit.com/blog?categories=#News) [#Guides](https://www.brimit.com/blog?categories=#Guides) ###### More by platform [DXP](https://www.brimit.com/blog?platforms=DXP) [Sales and marketing automation](https://www.brimit.com/blog?platforms=Sales%20and%20marketing%20automation) [Application innovation](https://www.brimit.com/blog?platforms=Application%20innovation) #### More on Sitecore ![How Vercel Will Help You Save Effort When Deploying Sophisticated Sitecore Projects](https://www.brimit.com/-/jssmedia/project/brimit/blog/2024/vercel_cover-image.png) #Guides #How-to DXP E-commerce ##### How Vercel Will Help You Save Effort When Deploying Sophisticated Sitecore Projects Optimize and accelerate the development and deployment of complex multisite Sitecore projects. 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