--- title: POS Extensions now supports a background extension target description: Shopify POS Extensions now supports a background extension target via the `pos.app.ready.data` target, which runs for the entire POS session without rendering... canonical: https://daily.dev/posts/pos-extensions-now-supports-a-background-extension-target-llsddo402 twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: POS Extensions now supports a background extension target | daily.dev og:description: Shopify POS Extensions now supports a background extension target via the `pos.app.ready.data` target, which runs for the entire POS session without rendering... og:url: https://daily.dev/posts/pos-extensions-now-supports-a-background-extension-target-llsddo402 og:image: https://api.daily.dev/og/posts/llSDdo402.png og:image:alt: POS Extensions now supports a background extension target og:image:width: 1200 og:image:height: 630 og:locale: en --- > ## Documentation Index > Fetch the complete documentation index at: https://daily.dev/llms.txt > Use this file to discover all available pages before exploring further. # POS Extensions now supports a background extension target **[Shopify Developer changelog](https://daily.dev/sources/shopifychangelog)** · 1 min read · 0 upvotes · 0 comments ## Summary Shopify POS Extensions now supports a background extension target via the `pos.app.ready.data` target, which runs for the entire POS session without rendering any UI. Developers can use it to observe POS events, store data, and call non-visual background APIs. Supported events include `transactioncomplete`, `cashtrackingsessionstart`, and `cashtrackingsessioncomplete`. ## Full article daily.dev links to this article rather than hosting it. 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