Edit this file

A sample model be like

class ModelName extends Model {
    function SelectCommand($Values) {
        $Query = "SELECT * FROM X WHERE A = :A";
        $Result = $this->DoSelect($Query, $Values);
        return $Result;
    }
    function InsertCommand($Values) {
        $Query = "INSERT INTO X Values(:A)";
        $Result = $this->DoSelect($Query, $Values);
        return $Result;
    }
}