diff --git a/VERSION.md b/VERSION.md
index 00e61dd..97bbe68 100644
--- a/VERSION.md
+++ b/VERSION.md
@@ -1,5 +1,17 @@
 # History
 
+## Version 0.0.20
+
+- NEW: Whatsapp directline client is now working in preview.
+
+## Version 0.0.19
+
+- NEW: Parameter whatsappServiceUrl added to support other whatsapp channels.
+
+## Version 0.0.18
+
+- FIX: Missing TS compilation.
+
 ## Version 0.0.17
 
 - NEW: The bot now has an associated mobile Whatsapp number;
diff --git a/package.json b/package.json
index dab8c40..60e9252 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "botlib",
-  "version": "0.0.18",
+  "version": "0.0.20",
   "description": "General Bot base library for building Node.js TypeScript Apps packages (.gbapp)",
   "main": "dist/src/index.js",
   "types": "dist/src/index.d.ts",
diff --git a/src/IGBInstance.ts b/src/IGBInstance.ts
index 28705a8..d81eb92 100644
--- a/src/IGBInstance.ts
+++ b/src/IGBInstance.ts
@@ -48,6 +48,7 @@ export interface IGBInstance {
     whatsappServiceKey: string;
     whatsappBotKey: string;
     whatsappServiceNumber: string;
+    whatsappServiceUrl: string;
     theme: string;
     ui: string;
     kb: string;