> For the complete documentation index, see [llms.txt](https://docs.parallels.com/landing/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.parallels.com/landing/ras-client-integration-guide/v20/ras-web-client-api/json-payload.md).

# JSON Payload

The JSON payload that the RAS Secure Gateway receives as a response has the following structure (the values are for demonstration purposes only and should be substituted with your own):

```
_RASWebClientLoadApp({ 
   u: 'username', 
   q: 'password', 
   a: '#4', 
   p: 'c:\\temp\\another.txt',
   logonURL: 'https://example.com/logon',
   logoutURL: 'https://example.com/logout',
   extra: {
     redirectPrinter: true,
     redirectLinks: true,
     redirectSound: true
   }
});
```

{% hint style="info" %}
**Note:** You can also use the older function `_RASHTML5LoadApp` instead of `_RASWebClientLoadApp` for backwards compatibility.
{% endhint %}

The following table describes the available JSON parameters:

| Parameter Name          | Description                                                                                                                                                                                                                                                                                                                                                                 |
| ----------------------- | --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- |
| u:                      | User name                                                                                                                                                                                                                                                                                                                                                                   |
| q:                      | User password                                                                                                                                                                                                                                                                                                                                                               |
| a:                      | Published resource ID, as displayed in the RAS Console in the **Publishing** category. It's the number in front of the application name on the **Information** tab (e.g. #4: Google Chrome). The number must be included in the payload together with the pound sign, e.g. "#4". If this parameter is omitted, the user will see all applications available on User Portal. |
| p:                      | Optional arguments (if an application has them).                                                                                                                                                                                                                                                                                                                            |
| d:                      | Domain name.                                                                                                                                                                                                                                                                                                                                                                |
| logonURL:               | URL of a third-party IdP login page.                                                                                                                                                                                                                                                                                                                                        |
| logoutURL:              | URL of a third-party IdP logouts page.                                                                                                                                                                                                                                                                                                                                      |
| extra: redirectLinks:   | Boolean: true = redirect links; false = do not redirect.                                                                                                                                                                                                                                                                                                                    |
| extra: redirectPrinter: | Boolean: true = redirect printer; false = do not redirect.                                                                                                                                                                                                                                                                                                                  |
| extra: redirectSound:   | Boolean: true = redirect sound; false = do not redirect.                                                                                                                                                                                                                                                                                                                    |


---

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