diff --git a/env.hpp b/env.hpp
index 20db257..6442468 100644
--- a/env.hpp
+++ b/env.hpp
@@ -4,3 +4,19 @@
 
 std::string getEnv(
     const char* prefix, const SensorSet::key_type& sensor);
+
+/** @brief Get the label for the sensor with a level of indirection.
+ *
+ *  Read the sensor number from the <path>/<item><X>_label file.<item> & <X> is
+ *  populated from the sensor key. The sensor label is read from the environment
+ *  variable <prefix>_<item><sensorNum>.
+ *
+ *  @param[in] prefix - Prefix of the environment variable.
+ *  @param[in] path - Directory path of the label file.
+ *  @param[in] sensor - Sensor details.
+ *
+ *  @return On success return the sensor label, in case of failure return empty
+ *          string.
+ */
+std::string getIndirectLabelEnv(
+    const char* prefix, std::string path, const SensorSet::key_type& sensor);