diff --git a/src/render/GUIFunc.h b/src/render/GUIFunc.h
index aa9c021..ecc384b 100644
--- a/src/render/GUIFunc.h
+++ b/src/render/GUIFunc.h
@@ -35,12 +35,24 @@ public:
 		glm::vec2 translate;
 	} pushConstBlock;
 		
+	GUIFunc(vks::VulkanDevice* vulkanDevice, VkRenderPass renderPass, VkQueue queue, VkPipelineCache pipelineCache, VkSampleCountFlagBits multiSampleCount);
 
+	~GUIFunc();
 
+	void draw(VkCommandBuffer cmdBuffer);
 
+	template<typename T>
+	bool checkbox(const char* caption, T* value);
 
+	bool header(const char* caption);
 
+	bool slider(const char* caption, float* value, float min, float max);
 
+	bool combo(const char* caption, int32_t* itemindex, std::vector<std::string> items);
+
+	bool button(const char* caption);
+
+	void text(const char* formatstr, ...);
 };