diff --git a/openair2/ENB_APP/MESSAGES/V2/mac_primitives.proto b/openair2/ENB_APP/MESSAGES/V2/mac_primitives.proto
index 3b3bc4e912..ecc82f116c 100644
--- a/openair2/ENB_APP/MESSAGES/V2/mac_primitives.proto
+++ b/openair2/ENB_APP/MESSAGES/V2/mac_primitives.proto
@@ -36,34 +36,39 @@ message flex_dl_dci {
 }
 
 message flex_ul_dci {
+  optional uint32 handle = 1;
+  optional uint32 size = 2;    // Size of the ULSCH PDU in bytes for UL Grant.
 	optional uint32 rnti = 1;
-	optional uint32 res_alloc = 2;		// Type of resource allocation
+	optional uint32 res_block_start = 2;		// match DCI format 0 PDU 
 	optional uint32 rb_bitmap = 3;		// Bitmap for RB allocation
-	optional uint32 rb_shift = 4;		// See TS 36.214, section 7.1.6.2
-	repeated uint32 tbs_size = 5;		// The size of each TBS
-	repeated uint32 mcs = 6;   		// The MCS of each TB
-	repeated uint32 ndi = 7;		// New data indicator of each TB
-	//repeated uint32 rv = 8;			// Redundancy version of each TB
-	//optional uint32 cce_index = 9;		// CCE index used to send the DCI
-	//optional uint32 aggr_level = 10;
-	//optional uint32 precoding_info = 11;	// 2 antenna ports:0..6,
-		 			 	// 4 antenna ports:0..50
+	optional uint32 modulation_t = 4;		// A FLMOD_* Value
+	optional uint32 cyclic_shift2 = 5;		//  match DCI format 0/4 PDU 
+	optional uint32 freq_hop_flag = 6;   		// 0 no hopping, 1 hoppping
+	optional uint32 freq_hop_map = 8;			//   match DCI format 0 PDU 
+	optional uint32 ndi = 7;		// New data indicator of each TB
+  optional uint32 rv = 8;			// Redundancy version of each TB
+  optional uint32 harq_process_number = 14; 	//  A FLHARQ_* value
+  optional uint32 ultx_mode = 14; 	//  A FLULM_* value
+  repeated uint32 tbs_size = 5;		// The size of each TBS
+	repeated uint32 current_harq = 9;		// CCE index used to send the DCI
+	optional uint32 n_srs = 10;    // Over lap indication with srs
+  optional uint32 res_alloc = 2;		// Type of resource allocation
 	optional uint32 format = 12;		// DCI format. A FLDCIF_* value
-	optional uint32 tpc = 13;		// TS 36.213, sec 5.1.1.1
-	optional uint32 harq_process = 14; 	// HARQ process ID
-	optional uint32 dai = 15;      		// TDD only
-	//optional uint32 vrb_format = 16; 	// One of the FLVRBF_* values
-	optional uint32 tb_swap = 17;	 	// Boolean. TB to codeword swap flag
-	//optional uint32 sps_release = 18;   	// Flag value
-	optional uint32 pdcch_order = 19;
+
+
+//	optional uint32 dai = 15;      		// TDD only
+
+//	optional uint32 tb_swap = 17;	 	// Boolean. TB to codeword swap flag
+
+//	optional uint32 pdcch_order = 19;
 //	optional uint32 preamble_index = 20;	// Only valid if pdcch_order = 1
-	optional uint32 prach_mask_index = 21;	// Only valid if pdcch_order = 1
-	optional uint32 n_gap = 22;	   	// One of the FLNGV_* values
-	optional uint32 tbs_idx = 23;		// The TBS index for Format 1A
-	optional uint32 dl_power_offset = 24;	// For format 1D
-//	optional uint32 pdcch_power_offset = 25; // DL PDCCH power boosting in dB
-//	optional uint32 cif_present = 26;    	// Boolean. Indication of CIF field
-//	optional uint32 cif = 27;     		// CIF for cross-carrier scheduling
+//	optional uint32 prach_mask_index = 21;	// Only valid if pdcch_order = 1
+	
+//	optional uint32 tbs_idx = 23;		// The TBS index for Format 1A
+	
+
+
+
 }
 
 //
@@ -104,4 +109,10 @@ enum flex_vrb_format {
 enum flex_ngap_val {
      FLNGV_1 = 0;
      FLNGV_2 = 1;
-}
\ No newline at end of file
+}
+
+enum flex_mod_type {
+    FLMOD_QPSK = 2; 
+    FLMOD_16QAM = 4;
+    FLMOD_64QAM = 6;
+}