> ## Documentation Index
> Fetch the complete documentation index at: https://dapplets.mintlify.site/llms.txt
> Use this file to discover all available pages before exploring further.

# Test Callouts

> This example shows callouts for the onboarding and web guide apps. Callouts appear after the text in a Twitter post.

```javascript theme={null}
{
  "metadata": {
    "name": "Test Callouts"
  },
  "$targets": [
    {
      "namespace": "${REPL_ACCOUNT}/parser/twitter",
      "contextType": "post",
      "if": { "id": { "not": null, "index": true } },
      "injectTo": "afterText",
      "componentId": "${REPL_ACCOUNT}/widget/Onboarding.Callout"
    }
  ]
}
```

### Explanation[​](https://docs.apps.dapplets.org/docs/examples/examples-of-app-configurations#explanation-1 "Direct link to Explanation")

* `$targets:` Configured so that the callout component is added to a Twitter post if an id exists.

* `injectTo` defines that the callout will appear immediately after the text.

* `componentId `specifies the main component for displaying the callout.