How to setup an admin email notification when a registration has been paid

video1.0<iframe src="https://www.loom.com/embed/59e09663c7a44c96a2603dd6735fbc43" frameborder="0" width="1280" height="960" webkitallowfullscreen mozallowfullscreen allowfullscreen></iframe>9601280Loomhttps://www.loom.com9601280https://cdn.loom.com/sessions/thumbnails/59e09663c7a44c96a2603dd6735fbc43-00001.gif51How to setup an admin email notification when a registration has been paid