mate field configuration

$tableColumns['category'] = array(
'display_text' => 'Category',
'perms' => 'EVCTAXQSHOF'
);

$tableColumns['priority'] = array(
'display_text' => 'Priority',
'perms' => 'EVCTAXQSHOF',
'input_info' => ' type="number" min="0" max="9" ',
);
$tableColumns['notes'] = array(
'display_text' => 'Notes',
'perms' => 'ACEFHOQSTVX',
'textarea' => array('cols' =>24, 'rows' =>3)
);
$tableColumns['duetime'] = array(
'display_text' => 'DueDate',
'req' => true,
'perms' => 'EVCTAXQSHOF',
'display_mask' => 'date_format(`duetime`,"%d %M %Y")',
'order_mask' => tblMain.'.duetime',
'range_mask' => tblMain.'.duetime',
'calendar' => array('js_format' => 'dd MM yy',
'options' => array('showButtonPanel' => false))
);
$tableColumns['created_at'] = array(
'display_text' => 'Created_At',
'perms' => 'ADFTHAQSVX',
'display_mask' => 'date_format(`created_at`,"%Y-%m-%d %T")',
'order_mask' => 'date_format(`created_at`,"%Y-%m-%d %T")',
'range_mask' => 'date_format(`created_at`,"%Y-%m-%d %T")',
'calendar' => array(
'js_format' => 'dd MM yy',
'options' => array('showButtonPanel' => true)
),
'mysql_add_fun' => "NOW()",
'hidden_add' => true
);
$tableColumns['updated_at'] = array(
'display_text' => 'Updated_At',
'perms' => 'ADFHTAQSVX',
'display_mask' => 'date_format(`updated_at`,"%Y-%m-%d %T")',
'order_mask' => 'date_format(`updated_at`,"%Y-%m-%d %T")',
'range_mask' => 'date_format(`updated_at`,"%Y-%m-%d %T")',
'calendar' => array(
'js_format' => 'dd MM yy',
'options' => array('showButtonPanel' => true)
),
'mysql_add_fun' => "NOW()",
'mysql_edit_fun' => "NOW()",
'hidden_add' => true,
'hidden_edit' => true
);