/// <summary>
/// Create a new <Pause/> element and append it as a child of this element.
/// </summary>
/// <param name="length"> Length in seconds to pause </param>
public VoiceResponse Pause(int? length = null)
{
var newChild = new Pause(length);
this.Append(newChild);
return this;
}
public VoiceResponse Pause(Pause pause)
{
this.Append(pause);
return this;
}