//End of Close Shift process
void (^completion)(BOOL , NSError* ) = ^(BOOL success, NSError *error){
    //success - flag if the Shift was closed successfuly
};

// OPen the shift for the selected Cash Register
[[sdk cashManager] closeShift:cashRegister.internalId //Selected Cash Register ID
                        note:@"Close My Shift" // Optional Note when closing the shift
                      amount:[NSNumber numberWithInt:100] // Amount of Cash which is present in the Cash Register at the time of closing
                  completion:completion]; // End of Close Shift process