diff --git a/src/lib/agent/PeerServer.mjs b/src/lib/agent/PeerServer.mjs
index ffd1360..54fb531 100644
--- a/src/lib/agent/PeerServer.mjs
+++ b/src/lib/agent/PeerServer.mjs
@@ -8,6 +8,10 @@ import ErrorWrapper from '../core/ErrorWrapper.mjs';
 
 import Peer from './Peer.mjs';
 
+/**
+ * A server that handles connections to many peers.
+ * @extends EventEmitter
+ */
 class PeerServer extends EventEmitter {
 	constructor(our_id, secret_join) {
 		super();
@@ -126,6 +130,29 @@ class PeerServer extends EventEmitter {
 		return conn;
 	}
 	
+	/**
+	 * Sends a message to 1 or more peers.
+	 * @param	{string|Peer|string[]|Peer[]}	peer_id		Either the peer id or the peer itself to which we should send the message. May also be an array of arbitrarily mixed items - in which case the message will be sent to all the specified peers in parallel. The order which peers are messaged is undefined.
+	 * @param	{string}		event_name	The name of the event to send.
+	 * @param	{Object}		msg			The message itself to send.
+	 * @return	{Promise}		A Promise that resolves (or potentially rejects) when the message has been sent.
+	 */
+	async send(peer_id, event_name, msg) {
+		throw new Error(`Not implemented yet`);
+	}
+	
+	/**
+	 * Sends a message in parallel to all peers to which we have an established
+	 * connection.
+	 * The order which peers are messaged is undefined.
+	 * @param	{string}		event_name	The name of the event to send.
+	 * @param	{Object}		msg			The message itself to send.
+	 * @return	{Promise}		A Promise that resolves (or potentially rejects) when the message has been sent.
+	 */
+	async broadcast(event_name, msg) {
+		await this.send(this.connected_peers, event_name, msg);
+	}
+	
 	/**
 	 * Shuts the server down.
 	 * This does not disconnect any existing peers!