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Please help with PFQuery in UITableView

pedrogr90pedrogr90 MurciaPosts: 1New Users Noob
edited April 2015 in iOS SDK Development
Hi guys ! This is my first post and I would like to say i am a newbie in this topic about iOS development.

My problem is simple:

I have a UITableView with cells. In the method:
-(void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath

I have a Parse query in which i want to get the vacants for just the selected cell.

My query is this :
PFQuery *query = [PFQuery queryWithClassName:@Event];
    [query selectKeys:@[@Vacants]];
    [query findObjectsInBackgroundWithBlock:^(NSArray *objects, NSError *error) {
        if (!error) {
            // Do something with the found objects
    
            for (NSObject *object in objects) {
                
                NSLog(@%@", [object valueForKey:@Vacants]);
                
            }
            
            [Event saveInBackgroundWithBlock:^(BOOL succeeded, NSError *error) {
            }];
        } 
    }];


This query gets me all the vacants from my cloud, but i just want the vacant of the selected row in the cell. Afterwards, I subtract 1 to the vacants number and upload it back to Parse.
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