Step 1: Login to Joomla administrator
- Login to Joomla administrator panel and Go to Extensions -> Templates -> Styles

- On the Templates: Styles (Site) Page, Click on Name of Default Template use for Site

Step 2: Go to T3 Framework Settings
- Select Layout tab, In this tab Position & Responsive Configuration Only remember selected Template file which use in site, Then Close Tab.

- Use Step 1 for Go to Extensions -> Templates -> Styles, Click on Name of Template, define in Screenshot

- In Templates Customise Click on Folder tpls

- In this folder Click on Template file which is assign in T3 Framework Layout Tab
- Inside this file Add module position code Before </body> tag
<jdoc:include type="modules" name="custom_debug" />
Save the setting

- Now open template xml file templateDetails.xml, Inside this file Assign module position
<position>custom_debug</position>
Save the setting

- And you're done. Use this custom DEBUG position into module