Added acknowledgeTradeProtection method

components/confirmations.js

@@ -392,6 +392,22 @@ SteamCommunity.prototype.checkConfirmations = function() {
 	}
 };
 
+SteamCommunity.prototype.acknowledgeTradeProtection = function(callback) {
+	this.httpRequestPost({
+		uri: 'https://steamcommunity.com//trade/new/acknowledge',
+		form: {
+			sessionid: this.getSessionID(),
+			message: 1
+		}
+	}, (err, res, body) => {
+		if (err) {
+			return callback && callback(err);
+		}
+
+		callback && callback(null);
+	}, 'steamcommunity');
+}
+
 SteamCommunity.prototype._confirmationCheckerGetKey = function(tag, callback) {
 	if(this._identitySecret) {
 		if(tag == 'details') {