docs/sources/shared/visualizations/datalink-options-3.md
Data links allow you to link to other panels, dashboards, and external resources and actions let you trigger basic, unauthenticated, API calls. In both cases, you can carry out these tasks while maintaining the context of the source panel.
For each data link, set the following options:
Data links for this visualization don't include the One click switch, however, if there's only one data link configured, that data link has single-click functionality. If multiple data links are configured, then clicking the visualization opens a menu that displays all the data links.
For each action, define the following API call settings:
<!-- prettier-ignore-start -->| Option | Description |
|---|---|
| Title | A human-readable label for the action that's displayed in the UI. |
| Confirmation message | A descriptive prompt to confirm or cancel the action. |
| Method | Select from POST, PUT, or GET. |
| URL | The request URL.</p><p>To add a variable, click in the URL field and enter $ or press Ctrl+Space or Cmd+Space to see a list of available variables. |
| Variables | Key and Name pairs with a type selection. Click the + icon to add as many variables as you need. To add a variable to the request, prefix the key with $. You can set the values for the variables when performing an action. |
| Query parameters | Key and Value pairs. Click the + icon to add as many key/value pairs as you need. |
| Headers | Comprised of Key and Value pairs and a Content-Type.</p><p>Click the + icon to add as many key/value pairs as you need. |
| Content-Type | Select from the following: application/json, text/plain, application/XML, and application/x-www-form-urlencoded. |
| Body | The body of the request. |
To learn more, refer to Configure data links and actions.