diff --git a/connector/server/src/main/kotlin/io/anthonyberg/connector/Application.kt b/connector/server/src/main/kotlin/io/anthonyberg/connector/Application.kt
index 8ea2d38..cff5197 100644
--- a/connector/server/src/main/kotlin/io/anthonyberg/connector/Application.kt
+++ b/connector/server/src/main/kotlin/io/anthonyberg/connector/Application.kt
@@ -1,6 +1,5 @@
 package io.anthonyberg.connector
 
-import Greeting
 import SERVER_PORT
 import io.ktor.server.application.*
 import io.ktor.server.engine.*
@@ -16,7 +15,8 @@ fun main() {
 fun Application.module() {
     routing {
         get("/") {
-            call.respondText("Ktor: ${Greeting().greet()}")
+            val vdm = VDMJ().run("complete_procedure(\"Before Start\", aircraft)")
+            call.respondText("Ktor: $vdm")
         }
     }
-}
\ No newline at end of file
+}
diff --git a/connector/server/src/main/kotlin/io/anthonyberg/connector/VDMJ.kt b/connector/server/src/main/kotlin/io/anthonyberg/connector/VDMJ.kt
index a8d6e28..e5582fd 100644
--- a/connector/server/src/main/kotlin/io/anthonyberg/connector/VDMJ.kt
+++ b/connector/server/src/main/kotlin/io/anthonyberg/connector/VDMJ.kt
@@ -1,33 +1,58 @@
 package io.anthonyberg.connector
 
-import com.fujitsu.vdmj.ExitStatus
 import com.fujitsu.vdmj.Settings
+import com.fujitsu.vdmj.VDMJMain
 import com.fujitsu.vdmj.config.Properties
 import com.fujitsu.vdmj.plugins.Lifecycle
 import com.fujitsu.vdmj.plugins.VDMJ
-import kotlin.system.exitProcess
+import java.io.ByteArrayOutputStream
+import java.io.PrintStream
+import java.nio.file.Paths
+import kotlin.io.path.pathString
 
 /**
  * Handler for the VDM Model
  */
-class VDMJ {
-    init {
+class VDMJ : VDMJMain {
+    fun run(expression: String): String {
         Settings.mainClass = VDMJ::class.java
         Properties.init()
 
-        val lifecycle: Lifecycle = createLifecycle()
+        val lifecycle: Lifecycle = createLifecycle(expression)
 
-        exitProcess(if (lifecycle.run() == ExitStatus.EXIT_OK) 0 else 1)
+        // Create a ByteArrayOutputStream to capture the output
+        val byteArrayOutputStream = ByteArrayOutputStream()
+        val printStream = PrintStream(byteArrayOutputStream)
+
+        val oldOut = System.out
+
+        // Redirect System.out to the PrintStream
+        System.setOut(printStream)
+
+        // TODO add exitStatus handling if something went wrong
+        var exitStatus = lifecycle.run()
+
+        // Reset System.out to the old output stream
+        System.setOut(oldOut)
+
+        // Convert the captured output to a string
+        val output = byteArrayOutputStream.toString()
+
+        return output
+
+//        exitProcess(if (lifecycle.run() == ExitStatus.EXIT_OK) 0 else 1)
     }
 
     /**
      * Creates arguments for VDMJ
      */
-    private fun createLifecycle(): Lifecycle {
-        // Creates the arguments for VDMJ - i.e. where the file is located
-        val args: Array<String> = arrayOf("resources/checklist.vdmsl")
+    private fun createLifecycle(command: String): Lifecycle {
+        val vdmPath = Paths.get( "src/main/resources/checklist.vdmsl")
 
-        return Lifecycle(args)
+        // Creates the arguments for VDMJ - i.e. where the file is located
+        val vdmArgs = arrayOf(vdmPath.pathString, "-vdmsl", "-e", command, "-q", "-w")
+
+        return Lifecycle(vdmArgs)
     }
 
 }