# Background Tasks - `BackgroundTasks`

You can declare a parameter in a *path operation function* or dependency function with the type `BackgroundTasks`, and then you can use it to schedule the execution of background tasks after the response is sent.

You can import it directly from `fastapi`:

```python
from fastapi import BackgroundTasks
```

version: 2
updates:
  - package-ecosystem: "github-actions"
    directory: "/"
    schedule:
      interval: "daily"
    labels:
      - "@dev-productivity"
      - "a:chore"
      - "in:building-gradle"
  - package-ecosystem: "gradle"
    open-pull-requests-limit: 0
    directory: "/"
    schedule:
      interval: "daily"
    labels:
      - "@dev-productivity"
      - "a:chore"

# limitations under the License.
# ==============================================================================

name: ARM CD

on:
  push:
    tags:
      - v2.**
    branches:
      - r2.**
  schedule:
    - cron: '0 8 * * *'

permissions:
  contents: read

jobs:
  build:
    if: github.repository == 'tensorflow/tensorflow' # Don't do this in forks
    runs-on: [self-hosted, linux, ARM64]
    strategy:

import jetbrains.buildServer.configs.kotlin.Triggers
import jetbrains.buildServer.configs.kotlin.triggers.ScheduleTrigger
import jetbrains.buildServer.configs.kotlin.triggers.VcsTrigger
import jetbrains.buildServer.configs.kotlin.triggers.schedule
import jetbrains.buildServer.configs.kotlin.triggers.vcs
import model.CIBuildModel
import model.Stage
import model.StageName
import model.Trigger
import projects.StageProject

        .build();

    final long startNanos = System.nanoTime();
    final Call call = client.newCall(request);

    // Schedule a job to cancel the call in 1 second.
    executor.schedule(() -> {
      System.out.printf("%.2f Canceling call.%n", (System.nanoTime() - startNanos) / 1e9f);
      call.cancel();

# limitations under the License.
# ==============================================================================

name: ARM CI Extended C++

on:
  push:
    tags:
      - v2.**
  schedule:
    - cron: '0 2 * * *'

permissions:
  contents: read

jobs:
  build:
    if: github.repository == 'tensorflow/tensorflow' # Don't do this in forks
    runs-on: [self-hosted, linux, ARM64]
    strategy:

        public void scheduledTask(@CronExpression String schedule) {
            // Method for testing parameter annotation
        }
    }

    private static class TestConstructor {
        private final String schedule;

        public TestConstructor(@CronExpression String schedule) {
            this.schedule = schedule;
        }

        public String getSchedule() {

name: Upgrade to latest wrapper

on:
  schedule:
    - cron: '0 4 * * *'
  workflow_dispatch:

permissions:
  contents: write

jobs:
  upgrade-latest-wrapper:
    runs-on: ubuntu-latest

    if: github.repository == 'gradle/gradle'

    steps:
      - name: Checkout repository
        uses: actions/checkout@v6
        with:
          ref: devprod/upgrade-to-latest-wrapper
          token: ${{ secrets.GITHUB_TOKEN }}

name: FastAPI People Contributors

on:
  schedule:
    - cron: "0 3 1 * *"
  workflow_dispatch:
    inputs:
      debug_enabled:
        description: "Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)"
        required: false
        default: "false"

jobs:
  job:
    if: github.repository_owner == 'fastapi'
    runs-on: ubuntu-latest
    permissions:
      contents: write

name: FastAPI People Sponsors

on:
  schedule:
    - cron: "0 6 1 * *"
  workflow_dispatch:
    inputs:
      debug_enabled:
        description: "Run the build with tmate debugging enabled (https://github.com/marketplace/actions/debugging-with-tmate)"
        required: false
        default: "false"

jobs:
  job:
    if: github.repository_owner == 'fastapi'
    runs-on: ubuntu-latest
    permissions:
      contents: write