prefix in different step?

.github/workflows/main.yaml

@@ -12,13 +12,35 @@ concurrency:
   cancel-in-progress: true
 
 jobs:
-  somerandomjob:
+  init:
     if: always()
     runs-on: ubuntu-latest
     name: utils fork check
+    env:
+      USER: "${{ github.repository_owner }}"
+      BRANCH: "${{ github.ref_name }}"
+      TOKEN: "${{ secrets.GITHUB_TOKEN }}"
+    outputs:
+      branchExists: ${{ steps.checkBranch.outputs.exists }}
+
     steps:
-      - name: something
-        run: echo "somethingggg"
+      - name: Check for branch in vscode-uitests-tooling (macos, ubuntu)
+        id: checkBranch
+        run: |
+          REPO_URL="https://api.github.com/repos/$USER/vscode-uitests-tooling/branches"
+          RESPONSE=$(curl -s -H "Authorization: Bearer $TOKEN" "$REPO_URL")
+
+          if ([ $? -ne 0 ]); then
+            echo "exists=false" >> $GITHUB_OUTPUT
+          fi
+
+          BRANCH_EXISTS=$(echo "$RESPONSE" | jq -r '.[] | select(.name=="'"$BRANCH"'") | .name')
+
+          if [ "$BRANCH_EXISTS" == "$BRANCH" ]; then
+              echo "exists=true" >> $GITHUB_OUTPUT
+          else
+              echo "exists=false" >> $GITHUB_OUTPUT
+          fi
 
   main:
     strategy:
@@ -31,14 +53,20 @@ jobs:
     env:
       CODE_VERSION: ${{ matrix.version }}
       CODE_TYPE: ${{ matrix.type }}
-      TEST_RESO URCES: test-resources
+      TEST_RESOURCES: test-resources
       USER: "${{ github.repository_owner }}"
       BRANCH: "${{ github.ref_name }}"
       TOKEN: "${{ secrets.GITHUB_TOKEN }}"
 
     runs-on: ${{ matrix.os }}
-    needs: [ somerandomjob ]
+    needs: [ init ]
     steps:
+      - name: kill pipeline
+        run: |
+          echo ${{needs.init.outputs.branchExists}}
+          KILLER = "${{github.event.pull_request.user.login}}?
+          echo $KILLER
+      
       - name: Checkout Repository
         uses: actions/checkout@v4
         with: