diff --git a/libpldm/platform.h b/libpldm/platform.h
index 92b8b9d..5bb110c 100644
--- a/libpldm/platform.h
+++ b/libpldm/platform.h
@@ -30,6 +30,7 @@
 /* Minimum length for PLDM PlatformEventMessage request */
 #define PLDM_PLATFORM_EVENT_MESSAGE_MIN_REQ_BYTES 3
 #define PLDM_PLATFORM_EVENT_MESSAGE_STATE_SENSOR_STATE_REQ_BYTES 6
+#define PLDM_PLATFORM_EVENT_MESSAGE_RESP_BYTES 2
 
 /* Minumum length of senson event data */
 #define PLDM_SENSOR_EVENT_DATA_MIN_LENGTH 5
@@ -184,6 +185,17 @@
 	PLDM_SENSOR_DATA_SIZE_SINT32
 };
 
+/** @brief PLDM PlatformEventMessage response status
+ */
+enum pldm_platform_event_status {
+	PLDM_EVENT_NO_LOGGING = 0x00,
+	PLDM_EVENT_LOGGING_DISABLED = 0x01,
+	PLDM_EVENT_LOG_FULL = 0x02,
+	PLDM_EVENT_ACCEPTED_FOR_LOGGING = 0x03,
+	PLDM_EVENT_LOGGED = 0x04,
+	PLDM_EVENT_LOGGING_REJECTED = 0x05
+};
+
 /** @struct pldm_pdr_hdr
  *
  *  Structure representing PLDM common PDR header