diff --git a/src/plugins/qmldesigner/CMakeLists.txt b/src/plugins/qmldesigner/CMakeLists.txt
index ec233e40955..268e40fc8a6 100644
--- a/src/plugins/qmldesigner/CMakeLists.txt
+++ b/src/plugins/qmldesigner/CMakeLists.txt
@@ -716,6 +716,7 @@ extend_qtc_plugin(QmlDesigner
     effectnode.cpp effectnode.h
     effectnodescategory.cpp effectnodescategory.h
     compositionnode.cpp compositionnode.h
+    uniform.cpp uniform.h
 )
 
 extend_qtc_plugin(QmlDesigner
diff --git a/src/plugins/qmldesigner/components/effectmaker/compositionnode.cpp b/src/plugins/qmldesigner/components/effectmaker/compositionnode.cpp
index 7fc4694b718..7f1f84f8d8b 100644
--- a/src/plugins/qmldesigner/components/effectmaker/compositionnode.cpp
+++ b/src/plugins/qmldesigner/components/effectmaker/compositionnode.cpp
@@ -3,6 +3,8 @@
 
 #include "compositionnode.h"
 
+#include "uniform.h"
+
 #include <QFileInfo>
 #include <QJsonArray>
 #include <QJsonDocument>
@@ -53,29 +55,46 @@ void CompositionNode::parse(const QString &qenPath)
 
     QJsonObject json = jsonDoc.object().value("QEN").toObject();
 
-    m_name = json.value("name").toString();
+    int version = -1;
+    if (json.contains("version"))
+        version = json["version"].toInt(-1);
+    if (version != 1) {
+        QString error = QString("Error: Unknown effect version (%1)").arg(version);
+        qWarning() << qPrintable(error);
+        return;
+    }
+
+    m_name = json.value("name").toString(); //TODO: there is a difference between name and type
+    m_description = json.value("description").toString();
+    m_fragmentCode = codeFromJsonArray(json.value("fragmentCode").toArray());
+    m_vertexCode = codeFromJsonArray(json.value("vertexCode").toArray());
 
     // parse properties
     QJsonArray properties = json.value("properties").toArray();
     for (const auto /*QJsonValueRef*/ &prop : properties) {
         QJsonObject propObj = prop.toObject();
+        Uniform *u = new Uniform(propObj);
+        Q_UNUSED(u)
+
+        // TODO
         propObj.value("name");
         propObj.value("type");
         propObj.value("defaultValue");
         propObj.value("description");
-        // TODO
-    }
-
-    // parse shaders
-    QJsonArray vertexCode = json.value("vertexCode").toArray();
-    if (!vertexCode.isEmpty()) {
-        // TODO
-    }
-
-    QJsonArray fragmentCode = json.value("fragmentCode").toArray();
-    if (!fragmentCode.isEmpty()) {
-        // TODO
     }
 }
 
+QString CompositionNode::codeFromJsonArray(const QJsonArray &codeArray)
+{
+    if (codeArray.isEmpty())
+        return {};
+
+    QString codeString;
+    for (const auto &element : codeArray)
+        codeString += element.toString() + '\n';
+
+    codeString.chop(1); // Remove last '\n'
+    return codeString;
+}
+
 } // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/effectmaker/compositionnode.h b/src/plugins/qmldesigner/components/effectmaker/compositionnode.h
index cc878a428c9..9cb8ae85506 100644
--- a/src/plugins/qmldesigner/components/effectmaker/compositionnode.h
+++ b/src/plugins/qmldesigner/components/effectmaker/compositionnode.h
@@ -22,6 +22,7 @@ public:
 
 private:
     void parse(const QString &qenPath);
+    QString codeFromJsonArray(const QJsonArray &codeArray);
 
     QString m_name;
     QString m_fragmentCode;
diff --git a/src/plugins/qmldesigner/components/effectmaker/uniform.cpp b/src/plugins/qmldesigner/components/effectmaker/uniform.cpp
new file mode 100644
index 00000000000..e4989b8550b
--- /dev/null
+++ b/src/plugins/qmldesigner/components/effectmaker/uniform.cpp
@@ -0,0 +1,15 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#include "uniform.h"
+
+#include <QJsonObject>
+
+namespace QmlDesigner {
+
+Uniform::Uniform(const QJsonObject &props)
+{
+    Q_UNUSED(props)
+}
+
+} // namespace QmlDesigner
diff --git a/src/plugins/qmldesigner/components/effectmaker/uniform.h b/src/plugins/qmldesigner/components/effectmaker/uniform.h
new file mode 100644
index 00000000000..e0b48778bd9
--- /dev/null
+++ b/src/plugins/qmldesigner/components/effectmaker/uniform.h
@@ -0,0 +1,53 @@
+// Copyright (C) 2023 The Qt Company Ltd.
+// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only WITH Qt-GPL-exception-1.0
+
+#pragma once
+
+#include <QObject>
+#include <QVariant>
+
+namespace QmlDesigner {
+
+class Uniform : public QObject
+{
+    Q_OBJECT
+
+public:
+    enum class Type
+    {
+        Bool,
+        Int,
+        Float,
+        Vec2,
+        Vec3,
+        Vec4,
+        Color,
+        Sampler,
+        Define
+    };
+
+    Uniform(const QJsonObject &props);
+
+    // TODO: setters & getters
+
+private:
+    Type m_type;
+    QVariant m_value;
+    QVariant m_defaultValue;
+    QVariant m_minValue;
+    QVariant m_maxValue;
+    QString m_name;
+    QString m_description;
+    QString m_customValue;
+    bool m_useCustomValue = false;
+    bool m_visible = true;
+    bool m_enableMipmap = false;
+
+    bool operator==(const Uniform& rhs) const noexcept
+    {
+        return this->m_name == rhs.m_name;
+    }
+};
+
+} // namespace QmlDesigner
+