EDataBook.BookBackendSync.modify_contacts_sync
Description: Reference for EDataBook.BookBackendSync.modify_contacts_sync

### Virtual Method

# EDataBook BookBackendSyncmodify_contacts_sync

#### Declaration [src]

    gboolean
    modify_contacts_sync (
      EBookBackendSync* backend,
      const gchar* const* vcards,
      guint32 opflags,
      GSList** out_contacts,
      GCancellable* cancellable,
      GError** error
    )

#### Description [src]

Modify the existing contacts using the passed vcards.

#### Parameters

`vcards`

  Type: `const gchar* const*`

  No description available.

  The data is owned by the caller of the method.
  The value is a NUL terminated UTF-8 string.

`opflags`

  Type: `guint32`

  No description available.

`out_contacts`

  Type: A list of `gpointer`

  No description available.

  The data is owned by the caller of the method.

`cancellable`

  Type: `GCancellable`

  No description available.

  The argument can be `NULL`.
  The data is owned by the caller of the method.

`error`

  Type: `GError **`

  The return location for a recoverable error.

  The argument can be `NULL`.
  If the return location is not `NULL`, then you must initialize it to a `NULL` `GError*`.
  The argument will be left initialized to `NULL` by the virtual function if there are no errors.
  In case of error, the argument will be set to a newly allocated `GError`; the caller will take ownership of the data, and be responsible for freeing it.

#### Return value

Type: `gboolean`

No description available.