diff --git a/.github/workflows/conditional.yml b/.github/workflows/conditional.yml
new file mode 100644
index 000000000..133e5ed72
--- /dev/null
+++ b/.github/workflows/conditional.yml
@@ -0,0 +1,16 @@
+name: example-workflow
+on: [push]
+
+jobs:
+    hello_world:
+        if: github.repository =='octo-org/oct-repo-prod'
+        runs-on: ubuntu-latest
+        steps:
+            - name: "hello world"
+              run: echo "hello world!"
+    goodbye-moon:
+        runs-on: ubuntu-latest
+        steps:
+            - name: "Goodbye Moon"
+              run: echo "Goodbye Moon ${{github.repository}}"
+
diff --git a/.github/workflows/custom-action.yml b/.github/workflows/custom-action.yml
deleted file mode 100644
index 7a87b53f1..000000000
--- a/.github/workflows/custom-action.yml
+++ /dev/null
@@ -1,15 +0,0 @@
-on: [push]
-
-jobs:
-  my-job:
-    runs-on: ubuntu-latest
-    name: A job to say hello
-    steps:
-      - name: Hello world action step
-        id: hello
-        uses: omenking/barsoom@0.0.6
-        with:
-          name: 'Brown'
-      # Use the output from the `hello` step
-      - name: Get the Output
-        run: echo "The time was ${{ steps.hello.outputs.greeting }}"
\ No newline at end of file
diff --git a/.github/workflows/token.yml b/.github/workflows/token.yml
new file mode 100644
index 000000000..33d5a178a
--- /dev/null
+++ b/.github/workflows/token.yml
@@ -0,0 +1,15 @@
+name: Open new issue
+on: ['push']
+
+jobs:
+  open-issue:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      issues: write
+    steps:
+      - run: |
+          gh issue --repo ${{ github.repository }} \
+            create --title "Issue title" --body "Issue body"
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
\ No newline at end of file
diff --git a/git-crash-course/expressions.yml b/git-crash-course/expressions.yml
new file mode 100644
index 000000000..60d301062
--- /dev/null
+++ b/git-crash-course/expressions.yml
@@ -0,0 +1,37 @@
+name: Expression Functions Demo
+
+on:
+  push:
+    branches:
+      - main
+  issues:
+    types: [opened, labeled]
+
+jobs:
+  expression-functions:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check if string contains substring
+        if: contains('Hello world', 'llo')
+        run: echo "The string contains the substring."
+      - name: Check if string starts with
+        if: startsWith('Hello world', 'He')
+        run: echo "The string starts with 'He'."
+      - name: Check if string ends with
+        if: endsWith('Hello world', 'ld')
+        run: echo "The string ends with 'ld'."
+      - name: Format and echo string
+        run: echo ${{ format('Hello {0} {1} {2}', 'Mona', 'the', 'Octocat') }}
+      - name: Join issue labels
+        if: github.event_name == 'issues'
+        run: echo "Issue labels: ${{ join(github.event.issue.labels.*.name, ', ') }}"
+      - name: Convert job context to JSON
+        run: echo "Job context in JSON: ${{ toJSON(github.job) }}"
+      - name: Parse JSON string
+        run: echo "Parsed JSON: ${{ fromJSON('{"hello":"world"}').hello }}"
+      - name: Hash files
+        run: echo "Hash of files: ${{ hashFiles('**/package-lock.json', '**/Gemfile.lock') }}
+      - name: The job has succeeded
+        if: ${{ success() }}
+      - name: The job has failed
+        if: ${{ failure() }}
\ No newline at end of file