# Application Services

> Browse PeopleSoft Application Services Framework (ASF) definitions — REST APIs backed by application classes, with their operations, URI templates, parameters, result states, header properties, and security.

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LLMS index: [llms.txt](/llms.txt)

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## What It Is

An Application Service is an Application Services Framework (ASF) definition, stored in `PSIBAPPLDEFN`. It exposes a REST API backed by application classes, without the hand-built service operations that classic Integration Broker requires. psLens consolidates the service's operations, URI templates and REST methods, method parameters, result-state-to-HTTP-status mappings, header properties, and security grants onto one page.

## Search Page

URL: `/appservices?db={database}`

Wildcard `%` search supported. Search runs against the ASF definitions in `PSIBAPPLDEFN`. Each result card links to the application service detail page.

## Detail Page

URL: `/appservices/{APPLNAME}?db={database}`

The main pane shows the service properties and an always-visible **Operations & REST Surface** card: each operation's handler application class, plus a table of its URI templates with the REST methods (GET, POST, PUT, DELETE) mapped to each. The sidebar has four related-data toggles.

## Related Data Panels

### Parameters

Method parameters for the service's operations, read from `PSIBPARAM` and the related base/template parameter tables.

### Result States

The mapping from operation result states to HTTP status codes (`PSIBAPPLSTATES`) — what status a caller receives for each outcome.

### Header Properties

Header properties configured for the service (`PSIBAPPLHDRPROP`).

### Security

Permission lists that grant access to the application service, read from `PSAUTHAS`. The answer to which permission lists let a user call this REST API.

## What This Consolidates

In PIA, the equivalent investigation requires opening **PeopleTools → Integration Broker → Web Services → Application Services**, switching between the operation, URI, parameter, and result-state tabs, and then checking the Web Services tab of each permission list under **Security → Permissions & Roles → Permission Lists**. psLens combines the REST surface and its security grants on one page.

## Tables Used

- `PSIBAPPLDEFN` — application service (ASF) definitions
- `PSIBAPPLOPR` — operations and handler classes
- `PSIBAPPURI` — URI templates
- `PSIBAPPMETHOD` — REST method configuration
- `PSIBPARAM`, `PSIBBASEPARAM`, `PSIBTEMPLPARAM`, `PSIBBASETMPLPRM` — method parameters
- `PSIBAPPLSTATES` — result-state to HTTP-status mappings
- `PSIBAPPLHDRPROP` — header properties
- `PSAUTHAS` — application service authorization per permission list
- `PSSERVICEOPR` — service operations within the service