Hide and Seek Button in a FileMaker Pro Portal Row

What if you could display a button when a row was active. In FileMaker Pro 13, you can with the new hide object feature in a FileMaker Pro Portal Row.

URL http://www.excelisys.com/fm-tips/filemaker-pro-tip-n-trick-hide-n-seek-a-button-in-a-filemaker-pro-portal-row/