Pega Interview Series Part 2

Introduction

• Welcome to the Pega interview series part two.
• Aimed to help viewers crack Pega interviews.
• Contact info for Pega training provided.

Interview Questions and Answers

File Listener and File Formats

What happens if an XML file is used instead of a CSV file for a file listener?

• File listener configured to consume CSV:
  • Picks the XML file successfully.
  • Fails during parsing due to the CSV-specific delimited rule.
  • Results in a runtime exception.
• Solution: Create a Parse XML rule instead of a Parse Delimited rule.

Supported File Formats for File Listener

• CSV files
• XML files
• Excel files
• Text files
• HTML files

Case Types and Stages

Moving Work Object from One Stage to Another

• There is an OOTB (out-of-the-box) activity called pxChangeStage.
• Located under the Settings tab in Case Type rule.
• Option: “Automatically move to next stage when the previous stage completes.”
• Invokes pxChangeStage to move the work object to the next stage.

Jumping from Primary Stage to Alternate Stage

• *Methods:
  • Change to Stage automation shape.
  • Utility Flow Shape with pxChangeStage activity.*

Decision Tables

Calling Decision Table from Activity

• Methods:
  • Property-Map-DecisionTable method:
    • Parameters: Decision table name, Resulting property, (optional) Allow missing properties checkbox.
  • Property Set method:
    • Use function pxEvaluateDecisionTable.
    • Parameters: Primary Page name, Decision Table name.

Allow Missing Properties Checkbox

• Handles exceptions when decision table properties are missing on the clipboard.
• Pega checks only available properties on the clipboard.
• Ensures the decision table evaluates with whatever data is present.

Report Definitions

Calling Report Definition from Activity

• Use pxRetrieveReportData OTB activity.
• Parameters: Report definition name, Result Page, Class in which report is created.
• Results appear on the specified clipboard page, e.g., Page1.pxResults.

Purpose of Class Join in Report Definition

• Retrieves data from multiple tables (e.g., Table A & Table B).
• Add class join under the Data Access tab in the report definition.
• Specify matching column values for data retrieval.
• Other joins: Index joins, Associations, Sub-reports.