diff --git a/modules/io/build.gradle b/modules/io/build.gradle
new file mode 100644
index 0000000..e69de29
diff --git a/modules/io/gradle.properties b/modules/io/gradle.properties
new file mode 100644
index 0000000..ba38c10
--- /dev/null
+++ b/modules/io/gradle.properties
@@ -0,0 +1,7 @@
+version=0.0.1
+
+pluginVersion=0.1
+pluginId=smnp.io
+pluginClass=
+pluginProvider=Bartłomiej Pluta
+pluginDependencies=
\ No newline at end of file
diff --git a/modules/io/src/main/kotlin/io/smnp/ext/io/IoModule.kt b/modules/io/src/main/kotlin/io/smnp/ext/io/IoModule.kt
new file mode 100644
index 0000000..f7f1688
--- /dev/null
+++ b/modules/io/src/main/kotlin/io/smnp/ext/io/IoModule.kt
@@ -0,0 +1,15 @@
+package io.smnp.ext.io
+
+import io.smnp.callable.method.Method
+import io.smnp.ext.ModuleDefinition
+import io.smnp.ext.io.function.PrintlnFunction
+import org.pf4j.Extension
+
+@Extension
+class IoModule : ModuleDefinition {
+    override fun modulePath() = "smnp.io"
+
+    override fun functions() = listOf(PrintlnFunction())
+
+    override fun methods() = emptyList<Method>()
+}
\ No newline at end of file
diff --git a/modules/io/src/main/kotlin/io/smnp/ext/io/function/PrintlnFunction.kt b/modules/io/src/main/kotlin/io/smnp/ext/io/function/PrintlnFunction.kt
new file mode 100644
index 0000000..41a5edd
--- /dev/null
+++ b/modules/io/src/main/kotlin/io/smnp/ext/io/function/PrintlnFunction.kt
@@ -0,0 +1,17 @@
+package io.smnp.ext.io.function
+
+import io.smnp.callable.function.Function
+import io.smnp.callable.function.FunctionDefinitionTool
+import io.smnp.callable.signature.Signature.Companion.vararg
+import io.smnp.type.matcher.Matcher.Companion.allTypes
+import io.smnp.type.model.Value
+
+class PrintlnFunction : Function("println") {
+    override fun define(new: FunctionDefinitionTool) {
+        new function vararg(allTypes()) define { _module,  (vararg) ->
+            // TODO: Implement equivalent of "toString()" method
+            println((vararg.value!! as List<Value>).joinToString("") { it.value!!.toString() })
+            Value.void()
+        }
+    }
+}
\ No newline at end of file
diff --git a/settings.gradle b/settings.gradle
index 6d92901..f409ff9 100644
--- a/settings.gradle
+++ b/settings.gradle
@@ -4,3 +4,4 @@ include 'app'
 include 'modules'
 
 include 'modules:lang'
+include 'modules:io'
\ No newline at end of file