I am attempting to use this example:
https://formidableforms.com/knowledgebase/formidable_shortcode_atts/

add_action('formidable_shortcode_atts', 'frm_admin_readonly', 20, 2);
function frm_admin_readonly( $atts, $all_atts ) {
   if ( $atts['readonly'] == 'administrator' ) {
      global $frm_vars;
      if ( current_user_can('administrator') ) {
         $frm_vars['readonly'] = 'disabled';
      } else {
         $frm_vars['readonly'] = false;
      }
   }
}

but I want it to apply to more than just administrators. So, I created code like this (following the documentation):
https://formidableforms.com/knowledgebase/formidable-hooks/#kb-duplicating-a-function

add_action('formidable_shortcode_atts', 'frm_admin_readonly1', 20, 2);
function frm_admin_readonly1( $atts, $all_atts ) {
if ( $atts['readonly'] == 'administrator' ) {
global $frm_vars;
if ( current_user_can('administrator') ) {
$frm_vars['readonly'] = 'disabled';
} else {
$frm_vars['readonly'] = false;
}
}
}

add_action('formidable_shortcode_atts', 'frm_admin_readonly2', 20, 2);
function frm_admin_readonly2( $atts, $all_atts ) {
if ( $atts['readonly'] == 'second-group' ) {
global $frm_vars;
if ( current_user_can('second-group') ) {
$frm_vars['readonly'] = 'disabled';
} else {
$frm_vars['readonly'] = false;
}
}
}

I have used this pattern on Hooks before and it worked just fine. I also tried this:

add_action('formidable_shortcode_atts', 'frm_admin_readonly1', 20, 2);
function frm_admin_readonly1( $atts, $all_atts ) {
if ( $atts['readonly1'] == 'administrator' ) {
global $frm_vars;
if ( current_user_can('administrator') ) {
$frm_vars['readonly1'] = 'disabled';
} else {
$frm_vars['readonly1'] = false;
}
}
}

add_action('formidable_shortcode_atts', 'frm_admin_readonly2', 20, 2);
function frm_admin_readonly2( $atts, $all_atts ) {
if ( $atts['readonly2'] == 'second-group' ) {
global $frm_vars;
if ( current_user_can('second-group') ) {
$frm_vars['readonly2'] = 'disabled';
} else {
$frm_vars['readonly2'] = false;
}
}
}

and some other combinations. Then updated my shortcode to read:

[formidable id="3" readonly='administrator' readonly='second-group']

but this is not working. I also tried combinations for the shortcode to match my changes in the filter above like this:

[formidable id="3" readonly1='administrator' readonly2='second-group']
[formidable id="3" readonly='administrator,second-group']

When I use the example and restrict it to only the 'administrator' user, it does work, but every combination of code I have tried will not allow me to apply this to another user type. I have tried a lot of combinations. Can this be done? Does it only work for a single user role? Admins only? I feel it is something simple that I am missing, but Formidable Support defines it as "custom code". I'm happy to pay for someone to code it, despite thinking that I simply have the wrong combination of instance numbers in place. 

Thanks!