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Improve docs on Using Custom Config Parameters #1992

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Jul 24, 2024
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Improve docs on Using Custom Config Parameters #1992

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8 changes: 6 additions & 2 deletions Guide/config.markdown
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Expand Up @@ -55,14 +55,18 @@ If you are ok to commit your secrets to git repo, you can also put the env vars
You can now access the `StripePublicKey` parameter by calling `getAppConfig @Config.StripePublicKey`:

```haskell
import qualified Config

action MyAction = do
let (StripePublicKey stripePublicKey) = getAppConfig @Config.StripePublicKey

putStrLn ("Stripe public key: " <> stripePublicKey)
```

If you want to fetch it in a helper function, we need to define the `?context`:

```haskell
getStripePublicKey :: (?context :: ControllerContext) => StripePublicKey
getStripePublicKey = getAppConfig @Config.StripePublicKey
```

## Environment Variables

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