This page is about helping you to add an extension such as a link or an icon or button onto either the home page or any other page within the Reference Application.
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In-case you want to add one instead onto the home page, then you should change that to: org.openmrs.referenceapplication.homepageLink
Since my extension type is configured as a link, i set the url to the URL that will be launched when the user clicks the button
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