> ## Documentation Index > Fetch the complete documentation index at: https://docs.blinkops.com/llms.txt > Use this file to discover all available pages before exploring further. # Test Connection Run and validate the test connection using the provided parameters. **Note:** If no `Connection ID` was provided the connection will be tested without being created. ## Basic Parameters
| Parameter | Description | | - | - | | Connection Attributes | The JSON object of the connection's attributes to test the connection with.

**For example:**
\{
  "attribute1" : \{
    "value" : "\*\*\*\*\*\*"
  }
}
**Notes:**
\* Use the `List Connections` action to obtain the attributes. Secret values can be passed as masked values, and Blink replaces them with the actual secrets when needed.
\* When testing a new connection, all parameters must be provided. | | Connection ID | The already created connection to test.

**Note:** Required when testing an already existing connection. | | Connection Type ID | The type of the connection to test. | | Runner Group | The runner group to use for the test.

**Note:** If empty, runs on the workflow runner by default. | | Workspace ID | The workspace in which the connection will be tested. |
## Advanced Parameters
| Parameter | Description | | - | - | | Additional Parameters | A JSON object for additional body parameters. Values specified in this parameter will override equivalent parameters.

For example:
\{
    "first\_key": 12345,
    "second\_key": "some\_value"
}
The object must follow the vendor's structure as defined in the API documentation. |
## Example Output ```json theme={"dark"} true ``` ## Workflow Library Example [Test Connection with Blink and Send Results Via Email](https://library.blinkops.com/workflows/test-connection-with-blink-and-send-results-via-email)
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