---
title: "enumerateChangesWithBlock:"
framework: photos
role: symbol
role_heading: Instance Method
path: "photos/phpersistentchangefetchresult/enumeratechangeswithblock:"
---

# enumerateChangesWithBlock:

Executes the block you specify by using the objects in the fetch result.

## Declaration

```occ
- (void) enumerateChangesWithBlock:(void (^)(PHPersistentChange *change, BOOL *stop)) block;
```

## Parameters

- `block`: The block to apply to elements in the fetch result.

## See Also

### Performing Operations with Objects in a Fetch Request

- [PHPersistentChange](photos/phpersistentchange.md)