diff --git a/scenarios/invite_hm/header.yml b/scenarios/invite_hm/header.yml
index c21970af..beb53d7f 100644
--- a/scenarios/invite_hm/header.yml
+++ b/scenarios/invite_hm/header.yml
@@ -215,6 +215,32 @@ hm_invite_hm_01:
       value: no this_is_second_reply
       value_part: full
       rwr_set_id:
+  - data:
+      direction: b_outbound
+      description: Add header testlegb
+      name: hm_invite_hm_03_00
+      stopper: 0
+      enabled: 1
+      priority: 1
+    conditions:
+    - enabled: 1
+      match_name: To
+      match_part: username
+      match_type: header
+      expression: is
+      expression_negation: 0
+      value_type: input
+      values:
+      - value: 'testuser1003'
+      rwr_set_id:
+    actions:
+    - enabled: 1
+      action_type: add
+      header: OutboundBlegHeader
+      header_part: full
+      value: blegvvalue
+      value_part: full
+      rwr_set_id:
 hm_invite_hm_02:
   header_rules:
   - data:
diff --git a/scenarios/invite_hm/prefs.json.tt2 b/scenarios/invite_hm/prefs.json.tt2
index b8fbb0e5..79f81c90 100644
--- a/scenarios/invite_hm/prefs.json.tt2
+++ b/scenarios/invite_hm/prefs.json.tt2
@@ -7,5 +7,8 @@
     },
     "testuser1004@invite-hm.scenarios.test": {
         "header_rule_set": "hm_invite_hm_02"
+    },
+    "testuser1003@invite-hm.scenarios.test": {
+        "header_rule_set": "hm_invite_hm_01"
     }
 }
\ No newline at end of file
diff --git a/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2 b/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2
index 08ba588d..23953556 100644
--- a/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2
+++ b/scenarios/invite_hm/sipp_scenario_responder00_test.yml.tt2
@@ -7,6 +7,7 @@ messages:
   - 'To: <sip:[% scenarios.0.responders.0.username %]@invite-hm.scenarios.test>'
   - 'CSeq: \d+ INVITE'
   - 'P-Asserted-Identity: <sip:11111111@invite-hm.scenarios.test>'
+  - 'OutboundBlegHeader: blegvvalue'
   - 'Content-Type: application/sdp'
   - 'Content-Length: \d+'
   - 'Contact: <sip:ngcp-lb@[% server_ip %]:5060;ngcpct=[^;]+>'