function getReportField(){

$myTableListField = new TableListField(
'EmailFormDatas',
'EmailFormData',
array('DateCreated', 'FirstName', 'LastName', 'Phone', 'Email')
);

// custom DataObjectSet
$myEmailFormData = DataObject::get('EmailFormData');
$myTableListField->setCustomSourceItems($myEmailFormData);
// csv export
$myTableListField->setPermissions(array('export', 'print', 'delete'));
$myTableListField->setFieldListCsv(array(
'FirstName' => 'First name',
'LastName' => 'Last name',
'Phone' => 'Phone',
'Email' => 'Email'
));
$myTableListField->setFieldCasting(array(
'FirstName' => 'Text',
'LastName' => 'Text',
'Phone' => 'Text',
'Email' => 'Text'
));
$myTableListField->setShowPagination(true);
if(isset($_REQUEST['printable'])) {
$myTableListField->setPageSize(false);
} else {
$myTableListField->setPageSize(20);
}

return $myTableListField;
}
}