### Method

# WebKit2 UserContentFilterStore save_from_file

since: 2.24

#### Declaration [src]

    void
    webkit_user_content_filter_store_save_from_file (
      WebKitUserContentFilterStore* store,
      const gchar* identifier,
      GFile* file,
      GCancellable* cancellable,
      GAsyncReadyCallback callback,
      gpointer user_data
    )

#### Description [src]

Asynchronously save a content filter from the contents of a file.

Asynchronously save a content filter from the contents of a file, which must be native to the platform, as checked by g_file_is_native(). See `webkit_user_content_filter_store_save()` for more details.

When the operation is finished, `callback` will be invoked, which then can use `webkit_user_content_filter_store_save_finish()` to obtain the resulting filter.

Available since: 2.24

#### Parameters

`identifier`

  Type: `const gchar*`

  A string used to identify the saved filter.

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

`file`

  Type: `GFile`

  A `GFile` containing the rule set in JSON format.

  The data is owned by the caller of the function.

`cancellable`

  Type: `GCancellable`

  A `GCancellable` or `NULL` to ignore.

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

`callback`

  Type: `GAsyncReadyCallback`

  A `GAsyncReadyCallback` to call when saving is completed.

  The argument can be `NULL`.

`user_data`

  Type: `gpointer`

  The data to pass to the callback function.

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