-uint32_t get_CanSignal_id(const CanSignal& sig)
-{
- return sig.message->id;
-}
\ No newline at end of file
+/**
+ * @brief Retrieve can arbitration id of a given CanSignal
+ *
+ * @param[in] CanSignal& - a const reference to a CanSignal
+ *
+ * @return uint32_t - unsigned integer representing the arbitration id.
+ */
+inline uint32_t get_CanSignal_id(const CanSignal& sig);
+
+/**
+ * @brief return the subscribed_signals map.
+ *
+ * return std::map<std::string, struct afb_event> - map of subscribed signals.
+ */
+const std::map<std::string, struct afb_event> get_subscribed_signals();
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