diff --git a/analyzer/service_data.hpp b/analyzer/service_data.hpp
index 9c5e6fd..eff85d8 100644
--- a/analyzer/service_data.hpp
+++ b/analyzer/service_data.hpp
@@ -148,4 +148,50 @@
     }
 };
 
+/**
+ * @brief Data regarding required service actions based on the hardware error
+ *        analysis.
+ */
+class ServiceData
+{
+  public:
+    /** @brief Default constructor. */
+    ServiceData() = default;
+
+    /** @brief Destructor. */
+    ~ServiceData() = default;
+
+    /** @brief Copy constructor. */
+    ServiceData(const ServiceData&) = default;
+
+    /** @brief Assignment operator. */
+    ServiceData& operator=(const ServiceData&) = default;
+
+  private:
+    /** The list of callouts that will be added to a PEL. */
+    std::vector<std::shared_ptr<Callout>> iv_calloutList;
+
+  public:
+    /** Add a callout to the callout list. */
+    void addCallout(const std::shared_ptr<Callout>& i_callout)
+    {
+        iv_calloutList.push_back(i_callout);
+    }
+
+    /**
+     * @brief Iterates the callout list and returns the json attached to each
+     *        callout in the list.
+     * @param o_json The returned json data.
+     */
+    void getCalloutList(nlohmann::json& o_json) const
+    {
+        o_json.clear(); // Ensure we are starting with a clean list.
+
+        for (const auto& c : iv_calloutList)
+        {
+            c->getJson(o_json);
+        }
+    }
+};
+
 } // namespace analyzer
diff --git a/test/service_data_test.cpp b/test/service_data_test.cpp
index 4f8505e..6939294 100644
--- a/test/service_data_test.cpp
+++ b/test/service_data_test.cpp
@@ -8,15 +8,17 @@
 
 TEST(SericeData, TestSet1)
 {
-    HardwareCallout c1{"Test location 1", Callout::Priority::HIGH};
-    HardwareCallout c2{"Test location 2", Callout::Priority::MED_A};
-    ProcedureCallout c3{ProcedureCallout::NEXTLVL, Callout::Priority::LOW};
+    ServiceData sd{};
+
+    sd.addCallout(std::make_shared<HardwareCallout>("Test location 1",
+                                                    Callout::Priority::HIGH));
+    sd.addCallout(std::make_shared<HardwareCallout>("Test location 2",
+                                                    Callout::Priority::MED_A));
+    sd.addCallout(std::make_shared<ProcedureCallout>(ProcedureCallout::NEXTLVL,
+                                                     Callout::Priority::LOW));
 
     nlohmann::json j{};
-
-    c1.getJson(j);
-    c2.getJson(j);
-    c3.getJson(j);
+    sd.getCalloutList(j);
 
     // Create a RAW string containing what we should expect in the JSON output.
     std::string s = R"([