diff --git a/src/adapters/z2m.ts b/src/adapters/z2m.ts
index dfadc5f..ccd65c2 100644
--- a/src/adapters/z2m.ts
+++ b/src/adapters/z2m.ts
@@ -181,7 +181,8 @@ export class Z2MAdapter extends Adapter<Z2MConfig> {
       configuration: {
         availabilityTopic: `${thingTopic}/availability`,
         payloadNotAvailable: "offline",      
-        payloadAvailable: "online"
+        payloadAvailable: "online",
+        transformationPattern: ["JSONPATH($.state)"]
       },
       properties: {},
       channels: [...exposes, ...options]
diff --git a/src/types/openhab.ts b/src/types/openhab.ts
index db8b199..b8ad3af 100644
--- a/src/types/openhab.ts
+++ b/src/types/openhab.ts
@@ -19,6 +19,7 @@ export type ThingConfig = {
   availabilityTopic: string;
   payloadNotAvailable: string;
   payloadAvailable: string;
+  transformationPattern: string[];
 };
 
 export type Channel = {
diff --git a/tsconfig.json b/tsconfig.json
index a79c412..1b73672 100644
--- a/tsconfig.json
+++ b/tsconfig.json
@@ -12,7 +12,7 @@
 
     /* Language and Environment */
     "target": "es2016",                                  /* Set the JavaScript language version for emitted JavaScript and include compatible library declarations. */
-    // "lib": [],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
+    "lib": ["es2019"],                                        /* Specify a set of bundled library declaration files that describe the target runtime environment. */
     // "jsx": "preserve",                                /* Specify what JSX code is generated. */
     // "experimentalDecorators": true,                   /* Enable experimental support for legacy experimental decorators. */
     // "emitDecoratorMetadata": true,                    /* Emit design-type metadata for decorated declarations in source files. */