diff --git a/openair2/ENB_APP/MESSAGES/V2/control_delegation.proto b/openair2/ENB_APP/MESSAGES/V2/control_delegation.proto
index 7e5d0ac7a3..a646a978a9 100644
--- a/openair2/ENB_APP/MESSAGES/V2/control_delegation.proto
+++ b/openair2/ENB_APP/MESSAGES/V2/control_delegation.proto
@@ -5,3 +5,23 @@ enum flex_control_delegation_type {
      FLCDT_MAC_DL_UE_SCHEDULER = 1;		// DL UE scheduler delegation
      FLCDT_AGENT_CONTROL_APP = 2;               // Generic control application
 }
+
+message flex_agent_reconfiguration_system {
+  optional string system = 1;
+  repeated flex_agent_reconfiguration_subsystem subsystems = 2;
+}
+
+message flex_agent_reconfiguration_subsystem {
+  optional string name = 1;   // Name of the object (app name or user plane object)
+  optional string behavior = 2;   // For an app: a callback in a shared library. For any other subsystem: an object name (shared library) with defined syntax.
+  map<string, flex_agent_reconfiguration_param> params = 3; // Param configurations depending on callback/shared library above.
+}
+
+message flex_agent_reconfiguration_param {
+  oneof param {
+    int32 integer = 1;
+    float floating = 2;
+    bool boolean = 3;
+    string str = 4;
+  }
+}
diff --git a/openair2/ENB_APP/MESSAGES/V2/flexran.proto b/openair2/ENB_APP/MESSAGES/V2/flexran.proto
index 0b77ab5d5a..411f0196cb 100644
--- a/openair2/ENB_APP/MESSAGES/V2/flexran.proto
+++ b/openair2/ENB_APP/MESSAGES/V2/flexran.proto
@@ -237,6 +237,7 @@ message flex_control_delegation {
 message flex_agent_reconfiguration {
 	optional flex_header header = 1;
 	optional string policy = 2;		// The policy changes using YAML syntax in string format    
+  repeated flex_agent_reconfiguration_system systems = 3; // The policy changes.
 }
 
 // Extensions of the echo request and reply