Synopsis

     <PKIT_COMPONENT NAME="xxx" headline="title" datasrc="select * from a_table">
     <PKIT_COMPONENT NAME="xxx" headline="another_title" datasrc="select * from another_table">
     <PKIT_COMPONENT NAME="xxx" headline="title" datasrc="select * from a_table">

  sub xxx {
    my $model = shift;
    my $fields = $model->pkit_component_params_hashref;
    my $select_statement = $fields->{DATASRC};
    ...
  }