public function addShowOnValue(Column\AbstractColumn $col, $value = null, $comparison = Filter::EQUAL)
    {
        $this->showOnValues[] = [
            'column' => $col,
            'value' => $value,
            'comparison' => $comparison,
        ];
    }
public function addShowOnValue(Column\AbstractColumn $col, $value = null, $comparison = Filter::EQUAL)
    {
        $this->showOnValues[] = [
            'column' => $col,
            'value' => $value,
            'comparison' => $comparison,
        ];
    }
public function addShowOnValue ( Column \ AbstractColumn $ col , $ value = null , $ comparison = Filter :: EQUAL ) { $ this -> showOnValues [ ] = [ 'column' => $ col , 'value' => $ value , 'comparison' => $ comparison , ] ; }
Show this action only on the values defined.

@param Column\AbstractColumn $col
@param string                $value
@param string                $comparison
Show this action only on the values defined .