how retrieving cmb2 sub and tab

hi
my use cmb2 new version
The code retrieving not working in submenu and tab

$field_value = myprefix_get_option( 'field_id' );

my use options-pages-with-tabs-and-submenus
https://github.com/CMB2/CMB2-Snippet-Library/blob/master/options-and-settings-pages/options-pages-with-tabs-and-submenus.php/

please help
tnx

• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.
• This topic was modified 8 years, 4 months ago by alishamss.