# v5buffer method Null safety

List<int> v5buffer(

1. String? namespace,
2. String? name,
3. List<int>? buffer,
4. {Map<String, dynamic>? options,
5. int offset = 0}

)

v5buffer() Generates a RNG version 4 UUID

By default it will generate a string based off current time, and will place the result into the provided `buffer`. The `buffer` will also be returned..

Optionally an `offset` can be provided with a start position in the buffer.

The first argument is an options map that takes various configuration options detailed in the readme.

http://tools.ietf.org/html/rfc4122.html#section-4.4

## Implementation

    List<int> v5buffer(
      String? namespace,
      String? name,
      List<int>? buffer, {
      Map<String, dynamic>? options,
      int offset = 0,
    }) {
      return parse(v5(namespace, name, options: options),
          buffer: buffer, offset: offset);
    }