diff --git a/.github/workflows/accSelector.yaml b/.github/workflows/accSelector.yaml
new file mode 100644
index 000000000..2340d2427
--- /dev/null
+++ b/.github/workflows/accSelector.yaml
@@ -0,0 +1,46 @@
+name: SetM365AppAcc
+
+on:
+  workflow_call:
+    outputs:
+      client_app_slot:
+        value: ${{ jobs.GetM365App.outputs.client_app_slot }}
+      client_id_env:
+        value: ${{ jobs.GetM365App.outputs.client_id_env }}
+      client_secret_env:
+        value: ${{ jobs.GetM365App.outputs.client_secret_env }}
+
+jobs:
+  GetM365App:
+    environment: Testing
+    runs-on: ubuntu-latest
+    outputs:
+      client_app_slot: ${{ steps.roundrobin.outputs.CLIENT_APP_SLOT }}
+      client_id_env: ${{ steps.roundrobin.outputs.CLIENT_ID_ENV }}
+      client_secret_env: ${{ steps.roundrobin.outputs.CLIENT_SECRET_ENV }}
+    steps:
+      - name: Figure out which client id to use
+        id: roundrobin
+        run: |
+          slot=$((GITHUB_RUN_NUMBER % 4))
+          echo "CLIENT_APP_SLOT=$slot" >> $GITHUB_OUTPUT
+
+          case $slot in
+
+            0)
+              echo "CLIENT_ID_ENV=CLIENT_ID" >> $GITHUB_OUTPUT
+              echo "CLIENT_SECRET_ENV=CLIENT_SECRET" >> $GITHUB_OUTPUT
+              ;;
+            1)
+              echo "CLIENT_ID_ENV=CLIENT_ID_2" >> $GITHUB_OUTPUT
+              echo "CLIENT_SECRET_ENV=CLIENT_SECRET_2" >> $GITHUB_OUTPUT
+              ;;
+            2)
+              echo "CLIENT_ID_ENV=CLIENT_ID_3" >> $GITHUB_OUTPUT
+              echo "CLIENT_SECRET_ENV=CLIENT_SECRET_3" >> $GITHUB_OUTPUT
+              ;;
+            3)
+              echo "CLIENT_ID_ENV=CLIENT_ID_4" >> $GITHUB_OUTPUT
+              echo "CLIENT_SECRET_ENV=CLIENT_SECRET_4" >> $GITHUB_OUTPUT
+              ;;
+          esac
\ No newline at end of file