Expand specific sub-panel on detail view page load

[cloudmatricssuitecrm]

Hi

For instance you can use: unset($layout_defs[‘Contacts’][‘subpanel_setup’][‘cases’]);
file location: custom/Extension/modules/Contacts/Ext/Layoutdefs/layoutdefs.ext.php

Also you can refer the below link: https://sugarclub.sugarcrm.com/dev-club/f/questions-answers/389/hide-contacts-subpanel-in-accounts-module