diff --git a/README.md b/README.md
index ece1a9f..f1eb1e2 100644
--- a/README.md
+++ b/README.md
@@ -70,6 +70,7 @@ A: Thecoderunsfasterwhentherearenouselessspacesandnewlines.
 - D
 - Dafny
 - Dart
+- DataWeave
 - DXL
 - Dutch
 - DreamBerd---e-acc
diff --git a/implementations/main.dwl b/implementations/main.dwl
new file mode 100644
index 0000000..3f0da7d
--- /dev/null
+++ b/implementations/main.dwl
@@ -0,0 +1,5 @@
+%dw 2.0
+output application/json
+var isPrime = (num) -> false
+---
+isPrime(payload)
diff --git a/optimized_implementations/Main.dwl b/optimized_implementations/Main.dwl
new file mode 100644
index 0000000..939613b
--- /dev/null
+++ b/optimized_implementations/Main.dwl
@@ -0,0 +1 @@
+%dw 2.0 output application/json var isPrime = (num) -> false --- isPrime(payload)