Esri’s Operation Dashboards do not use templates per se. However, there are examples that can be found here. You will want to open one of these examples and Save As, effectively using the example as a base for your own dashboard.
អនាមិក បានផ្លាស់ប្តូរស្ថានភាពដើម្បីបោះពុម្ព ខែវិច្ឆិកា 20, 2020