# Stored Procedures

## Procedure Base

All the base TypeScript classes in an ORM file that represent a stored procedure extend the base class `ProcedureBase`.  This base class is located in the `wire-orm-base.ts` file.

```javascript
import { ProcedureBase } from "./wire-orm-base.ts";

class CustOrderHist extends ProcedureBase {
  ...
}
```

## Parameters

All the parameters in an entity are created by name in an `enum` structure.   The naming convention for the parameters`enum` is *\[procedure]Param*.

```javascript
enum CustOrderHistParam {
  CustomerID = "CustomerID"
}
```


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