iOS - Some basic info about UISlider

UIView Element - UISlider

//setup a UISlider programmatically
mySlider = [[[UISlider alloc] initWithFrame:CGRectMake(174, 12, 120, 23)] autorelease];
                mySlider.maximumValue = 100;
                mySlider.minimumValue = 30;
                mySlider.value = 100;
                [mySlider addTarget:self action:@selector(dimScreen:) forControlEvents:UIControlEventValueChanged];

//adding the slider to a table cell                
                cell.textLabel.text = @"My Slider";
                cell.accessoryView = mySlider;

//implement the slider function call
- (void) dimScreen: (id)sender{
    NSLog(@"%f", [(UISlider *)sender value]);
}