diff --git a/backend/agent/response_struct/card_test.go b/backend/agent/response_struct/card_test.go
new file mode 100644
index 0000000..f66ddd0
--- /dev/null
+++ b/backend/agent/response_struct/card_test.go
@@ -0,0 +1,18 @@
+package agent
+
+import (
+	"testing"
+
+	"github.com/tmc/langchaingo/outputparser"
+)
+
+func TestCard(t *testing.T) {
+	definedCard, err := outputparser.NewDefined(Card{})
+
+	if err != nil {
+		t.Fatalf("%v", err)
+	}
+
+	output := definedCard.GetFormatInstructions()
+	t.Log(output)
+}