# Trace module

The Trace module is used to write messages to the Trace Log. Messages written using the Trace module are displayed in [the diagnostic panel](/flow-connect/working-with-connect/create-and-design/applications/test.md) of the Flow Client.

```typescript
// Make an HTTP request.
let response = HTTP.getText("https://jsonplaceholder.typicode.com/todos/1",
    {
        "Accept" : "application/json"
    });

// Write a log entry indicating the status code of the request.  
do Trace.log("Request status code: " & response.statusCode);

...

```

### log

**Signature:** (message: any) -> null 

Create a trace log entry with the given message. The function always returns null.


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