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Getting started building visualization extensions with Dev Hub

This topic describes how to create your first visualization extension, based on the Hello world example which is included in your Qlik Sense installation.

Information noteThis functionality is not available in Qlik Sense SaaS.

Do the following:

  1. Open Dev Hub.

    Launching Dev Hub

  2. Click Create new and fill in the details.

    Name the visualization extension HelloWorld and use the Basic Visualization template and then click Create & edit.

    The new visualization extension is created and opened automatically, it is also visible in the items list.

  3. Click on the newly created HelloWorld visualization extension and select Edit.

    It is launched in the Extension editor.

  4. Import the preview image file.

    Information noteThe preview image should be saved in PNG format.

    Click Menu > Import file and browse to ..Users\<UserName>\Documents\Qlik\Examples\Extensions\HelloWorld and select the helloworld.png file. Then click Open.

    The image file is included in the project and visible on the right hand side panel.

  5. Update the QEXT file.

    	"name": "Hello World",
    	"description": "Hello World example",
      	"preview": "helloworld.png",
    	"type": "visualization",
    	"version": "1.0.0",
    	"author": ""
    Information noteThe preview file previously imported is defined in the "preview" field.
  6. Add your rendering code to the JavaScript file.

    define( [
    function ( ) {
    	return {
    		paint: function ($element) {
    			//add your rendering code here
    			$element.html( "Hello world!!" );
    } );
  7. Click Save.

    The visualization extension has now been saved and is available from Qlik Sense.

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