diff --git a/class/Tasks/TruthTableTask.php b/class/Tasks/TruthTableTask.php
index a65dae2..053cfcd 100644
--- a/class/Tasks/TruthTableTask.php
+++ b/class/Tasks/TruthTableTask.php
@@ -55,6 +55,10 @@ class TruthTableTask extends PicturedTask
         return $this->lf;
     }
 
+    public function getLogicFunctionExpr(string $fmt = "verilog_bitwise"): string {
+        return $this->lf->getExpression($fmt);
+    }
+
     public function toArray(string $mode = "all"): array
     {
         $a = parent::toArray($mode);