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Syntax

setAppState(xAppTemplateId, xAppTemplateData)

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Description

Updates the state of the xApp Session for the current conversation. Only works if an xApp Session was started beforehand. Parameters:
  • xAppTemplateId: string — the URL to a hosted xApp template, generic-html, or null.
    • If a URL is provided, the xApp template is loaded from that URL.
    • If generic-html is provided, the xApp page SDK is loaded from the host, and the HTML code defined in xAppTemplateData.html is displayed.
    • If null is provided, the active xApp page is closed.
  • xAppTemplateData: Record<string, unknown> — the data payload for the xApp page.
Returns: void

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Examples

// Load an xApp Template
// loads the xApp template hosted at `https://my-xapp-template-url` as an xApp page
// - injects `{ my: "xapp-template-data" }` to the xApp
// - waits for the xApp page to load, then displays it to the end user
setAppState("https://my-xapp-template-url", { my: "xapp-template-data" })

// Load generic HTML
/* javascript
const html = `
<html>
  <body>
    Hello, World!
    <button type="button" onclick="SDK.submit({});">continue</button>
    <script src="/sdk/app-page-sdk.js"></script>
  </body>
</html>
 */
// loads the HTML code defined in `html` as an xApp page.
// loads the xApp page SDK from its host
setAppState("generic-html", { html })

// Close active xApp page
setAppState(null, {})