using Xmpp.Core; namespace Xmpp.Xep.OutOfBandData { public const string NS_URI = "jabber:x:oob"; public static void add_url_to_message(Message.Stanza message, string url, string? desc = null) { message.stanza.put_node(new StanzaNode.build("x", NS_URI).add_self_xmlns().put_node(new StanzaNode.build("url", NS_URI).put_node(new StanzaNode.text(url)))); } }