### Read EDI File and Extract Transactions

Source: https://github.com/edifabric/x12.net/blob/master/README.md

Demonstrates how to read an EDI file stream, parse it into a list of EDI items, and then filter for specific transaction types like TS837P. Ensure the correct template namespace is provided.

```C#
var ediStream = File.OpenRead(Directory.GetCurrentDirectory() + @"..\..\..\Files\Hipaa\ClaimPayment.txt");

List<IEdiItem> ediItems;
using (var ediReader = new X12Reader(ediStream, "EdiFabric.Templates.Hipaa"))
    ediItems = ediReader.ReadToEnd().ToList();

var transactions = ediItems.OfType<TS837P>();
```

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