Troubleshooting

The SDK creates the transaction name as follows

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var method = httpContext.Request.HttpMethod;
var path = httpContext.Request.Path;

var transactionName = $"{method} {path}";

// Since the name is derived from the path and potentially contains identifiers it is marked as such
transactionContext.NameSource = TransactionNameSource.Url;

Since the URL might contain potential identifiers, such as GET /users/123, the backend tries to remove values with high variations. Leading it to GET /users/*. Sometimes, when there are many paths, it can result in GET /*/*. It is possible to work around this and still rely on automatic performance instrumentation. You can access the currently active transaction and overwrite the Name and NameSource. Specifying the exact name of the transaction, without any variables. Using the example above, it would look like:

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if (SentrySdk.GetSpan()?.GetTransaction() is TransactionTracer transactionTracer)
{
    transactionTracer.NameSource = TransactionNameSource.Custom;
    transactionTracer.Name = "GET /users/{id}";
}

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