App Engines

Browse PeopleSoft Application Engine program structures, sections, steps, actions, and source code.
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What It Is

Application Engines (AE) are PeopleSoft’s batch processing framework. Unlike traditional COBOL or SQR programs, Application Engine programs are defined in PeopleSoft metadata tables (such as PSAEAPPLDEFN, PSAESECTDEFN, PSAESTEPDEFN, and PSAESTMTDEFN) and executed by the psae batch executable. They are commonly used for data processing, background calculations, integrations, and ETL processes.

psLens allows you to search and browse the structure of Application Engine programs, inspect their sections, steps, and actions, and view the associated SQL and PeopleCode source code without opening App Designer.

Search Page

URL: /appengines?db={database}

  • Search: Search for Application Engines by program name (prefix match). Type PSAE to find all AEs starting with PSAE. Use % as a wildcard if needed (e.g., %PRCS% to find programs containing PRCS).
  • Metadata Card: Each search result card shows the program description, owner ID, and last modified operator/timestamp.

Detail Page

URL: /appengines/{APPLID}?db={database}

The Detail Page exposes the internal structure of the Application Engine program:

  • Program Properties: Shows description, owner ID, program type (Standard, Upgrade, Import, Daemon), active status, disable restart setting, and modification details.
  • Sections & Steps Tree: Lists all sections (e.g., MAIN) and steps defined in the program.
  • Actions View: For each step, psLens shows the actions it executes (SQL, PeopleCode, Call Section, Log Message, XSLT, Do Select, Do Until, Do While, Do When).
  • Source Code Viewer: Steps that run SQL or PeopleCode actions can be expanded to view the actual code inline.
  • Export as Markdown: Reconstructs the entire Application Engine structure, including all sections, steps, actions, and embedded code, into a single structured Markdown file.