Want to put variable

I want add variable name ‘Subfolder_path’ in as shown in ss.

<ctrl name=‘Subfolder_path’
just want a ask is this a right way to add variable else please tell the right way.

Please help it’s urgent>>>!! @supermanPunch

@mitul_choudhary No, Remove the text inside the name attribute and right Click inside the Selector, You will get an option to Select the variable.