field_to_name_array with checkbox

Hi,
i have the following code which works weel:

0 =>
array (
ā€˜nameā€™ => ā€˜dbgit_contactaccountdir_cā€™,
ā€˜displayParamsā€™ =>
array (
ā€˜field_to_name_arrayā€™ =>
array (
ā€˜salutationā€™ => ā€˜salutationā€™,
ā€˜titleā€™ => ā€˜titleā€™,
ā€˜departmentā€™ => ā€˜departmentā€™,

          ),
        ),
        'studio' => 'visible',
        'label' => 'LBL_DBGIT_CONTACTACCOUNTDIR',
      ),

I need to also to add a checkbox that becomes ā€œCHECKEDā€ when the data is retrievedā€¦something like:

ā€˜field_to_name_arrayā€™ =>
array (
ā€˜salutationā€™ => ā€˜salutationā€™,
ā€˜titleā€™ => ā€˜titleā€™,
ā€˜departmentā€™ => ā€˜departmentā€™,
ā€˜dbgit_contactaccountflag_cā€™ => ā€˜CHECKEDā€™,

How can i accomplich this?

Thank you