function setField($field, $value, $repetition = 0)
    {
        return $this->_impl->setField($field, $value, $repetition);
    }
function setField($field, $value, $repetition = 0)
    {
        return $this->_impl->setField($field, $value, $repetition);
    }
function setField ( $ field , $ value , $ repetition = 0 ) { return $ this -> _impl -> setField ( $ field , $ value , $ repetition ) ; }
Sets the new value for a field.

@param string $field Name of field to set.
@param string $value Value to set for this field.
@param integer $repetition Field repetition number to set,
Defaults to the first repetition.
Sets the new value for a field .