diff --git a/.github/scripts/dispatch_internal_repo_workflow.sh b/.github/scripts/dispatch_internal_repo_workflow.sh
index 4704f7f16..3e4969d7d 100755
--- a/.github/scripts/dispatch_internal_repo_workflow.sh
+++ b/.github/scripts/dispatch_internal_repo_workflow.sh
@@ -224,7 +224,7 @@ if [[ -z "$extraSecretNames" ]]; then
   extraSecretNames=""
 fi
 
-if [{ -z "$tableName" }]; then
+if [[ -z "$tableName" ]]; then
   tableName=""
 fi
 
@@ -306,17 +306,21 @@ echo "[INFO] Triggering workflow '$targetWorkflow' in nhs-notify-internal..."
 
 echo "[DEBUG] Dispatch event payload: $DISPATCH_EVENT"
 
-trigger_response=$(curl -s -L \
-  --fail \
+trigger_http_code=$(curl -s -L \
+  -o /tmp/dispatch_response.json \
+  -w "%{http_code}" \
   -X POST \
   -H "Accept: application/vnd.github+json" \
   -H "Authorization: Bearer ${PR_TRIGGER_PAT}" \
   -H "X-GitHub-Api-Version: 2022-11-28" \
   "https://api.github.com/repos/NHSDigital/nhs-notify-internal/actions/workflows/$targetWorkflow/dispatches" \
-  -d "$DISPATCH_EVENT" 2>&1)
+  -d "$DISPATCH_EVENT")
 
-if [[ $? -ne 0 ]]; then
-  echo "[ERROR] Failed to trigger workflow. Response: $trigger_response"
+trigger_response=$(cat /tmp/dispatch_response.json)
+
+if [[ "$trigger_http_code" -lt 200 || "$trigger_http_code" -ge 300 ]]; then
+  echo "[ERROR] Failed to trigger workflow. HTTP status: $trigger_http_code"
+  echo "[ERROR] Response body: $trigger_response"
   exit 1
 fi
 
diff --git a/.github/workflows/stage-3-build.yaml b/.github/workflows/stage-3-build.yaml
index 78f2a0033..01e71f8d4 100644
--- a/.github/workflows/stage-3-build.yaml
+++ b/.github/workflows/stage-3-build.yaml
@@ -211,8 +211,9 @@ jobs:
           .github/scripts/dispatch_internal_repo_workflow.sh \
             --infraRepoName "$(echo ${{ github.repository }} | cut -d'/' -f2)" \
             --releaseVersion ${{ github.head_ref || github.ref_name }} \
-            --targetWorkflow "publish-supplier-config.yaml" \
+            --targetWorkflow "publish-supplier-config-to-ddb.yaml" \
             --targetEnvironment "${{ steps.set-environment.outputs.environment_name }}" \
+            --internalRef "feature/CCM-17337-Publish-Supplier-Configuration-Event" \
             --targetComponent "config" \
             --targetAccountGroup "nhs-notify-suppliers-dev" \
             --tableName "supplier-config" \
diff --git a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test1.json b/config/suppliers/supplier-allocation/supplier1-volume-group-test1.json
similarity index 50%
rename from config/suppliers/supplier-allocation/supplier1-volumeGroup-test1.json
rename to config/suppliers/supplier-allocation/supplier1-volume-group-test1.json
index 81a82b31b..5dcc397e0 100644
--- a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test1.json
+++ b/config/suppliers/supplier-allocation/supplier1-volume-group-test1.json
@@ -1,7 +1,7 @@
 {
   "allocationPercentage": 30,
-  "id": "supplier1-volumeGroup-test1",
+  "id": "supplier1-volume-group-test1",
   "status": "PROD",
   "supplier": "supplier1",
-  "volumeGroup": "volumeGroup-test1"
+  "volumeGroup": "volume-group-test1"
 }
diff --git a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test2.json b/config/suppliers/supplier-allocation/supplier1-volume-group-test2.json
similarity index 51%
rename from config/suppliers/supplier-allocation/supplier1-volumeGroup-test2.json
rename to config/suppliers/supplier-allocation/supplier1-volume-group-test2.json
index cada2db0a..257997289 100644
--- a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test2.json
+++ b/config/suppliers/supplier-allocation/supplier1-volume-group-test2.json
@@ -1,7 +1,7 @@
 {
   "allocationPercentage": 100,
-  "id": "supplier1-volumeGroup-test2",
+  "id": "supplier1-volume-group-test2",
   "status": "PROD",
   "supplier": "supplier1",
-  "volumeGroup": "volumeGroup-test2"
+  "volumeGroup": "volume-group-test2"
 }
diff --git a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test3.json b/config/suppliers/supplier-allocation/supplier1-volume-group-test3.json
similarity index 51%
rename from config/suppliers/supplier-allocation/supplier1-volumeGroup-test3.json
rename to config/suppliers/supplier-allocation/supplier1-volume-group-test3.json
index f08467c9f..aabd19088 100644
--- a/config/suppliers/supplier-allocation/supplier1-volumeGroup-test3.json
+++ b/config/suppliers/supplier-allocation/supplier1-volume-group-test3.json
@@ -1,7 +1,7 @@
 {
   "allocationPercentage": 100,
-  "id": "supplier1-volumeGroup-test3",
+  "id": "supplier1-volume-group-test3",
   "status": "PROD",
   "supplier": "supplier1",
-  "volumeGroup": "volumeGroup-test3"
+  "volumeGroup": "volume-group-test3"
 }
diff --git a/config/suppliers/supplier-allocation/supplier2-volumeGroup-test1.json b/config/suppliers/supplier-allocation/supplier2-volume-group-test1.json
similarity index 50%
rename from config/suppliers/supplier-allocation/supplier2-volumeGroup-test1.json
rename to config/suppliers/supplier-allocation/supplier2-volume-group-test1.json
index 9d34abba3..b71dc0186 100644
--- a/config/suppliers/supplier-allocation/supplier2-volumeGroup-test1.json
+++ b/config/suppliers/supplier-allocation/supplier2-volume-group-test1.json
@@ -1,7 +1,7 @@
 {
   "allocationPercentage": 70,
-  "id": "supplier2-volumeGroup-test1",
+  "id": "supplier2-volume-group-test1",
   "status": "PROD",
   "supplier": "supplier2",
-  "volumeGroup": "volumeGroup-test1"
+  "volumeGroup": "volume-group-test1"
 }
diff --git a/config/suppliers/volume-group/volumeGroup-test1.json b/config/suppliers/volume-group/volume-group-test1.json
similarity index 81%
rename from config/suppliers/volume-group/volumeGroup-test1.json
rename to config/suppliers/volume-group/volume-group-test1.json
index 3b3bab804..46d290691 100644
--- a/config/suppliers/volume-group/volumeGroup-test1.json
+++ b/config/suppliers/volume-group/volume-group-test1.json
@@ -1,6 +1,6 @@
 {
   "description": "Dev Test Volume Group 1",
-  "id": "volumeGroup-test1",
+  "id": "volume-group-test1",
   "name": "Dev Test Volume Group 1",
   "startDate": "2026-01-01",
   "status": "PROD"
diff --git a/config/suppliers/volume-group/volumeGroup-test2.json b/config/suppliers/volume-group/volume-group-test2.json
similarity index 81%
rename from config/suppliers/volume-group/volumeGroup-test2.json
rename to config/suppliers/volume-group/volume-group-test2.json
index 0eb829ec2..37ce2d9ba 100644
--- a/config/suppliers/volume-group/volumeGroup-test2.json
+++ b/config/suppliers/volume-group/volume-group-test2.json
@@ -1,6 +1,6 @@
 {
   "description": "Dev Test Volume Group 2",
-  "id": "volumeGroup-test2",
+  "id": "volume-group-test2",
   "name": "Dev Test Volume Group 2",
   "startDate": "2026-01-01",
   "status": "PROD"
diff --git a/config/suppliers/volume-group/volumeGroup-test3.json b/config/suppliers/volume-group/volume-group-test3.json
similarity index 81%
rename from config/suppliers/volume-group/volumeGroup-test3.json
rename to config/suppliers/volume-group/volume-group-test3.json
index 650199fe3..14072f492 100644
--- a/config/suppliers/volume-group/volumeGroup-test3.json
+++ b/config/suppliers/volume-group/volume-group-test3.json
@@ -1,6 +1,6 @@
 {
   "description": "Dev Test Volume Group 3",
-  "id": "volumeGroup-test3",
+  "id": "volume-group-test3",
   "name": "Dev Test Volume Group 3",
   "startDate": "2026-01-01",
   "status": "PROD"