Preface
Using the Designer
Working with Sources
Working with Flat Files
Working with Targets
Mappings
Mapplets
Mapping Parameters and Variables
Working with User-Defined Functions
Using the Debugger
Viewing Data Lineage
Comparing Objects
Managing Business Components
- Managing Business Components Overview
  - Business Component Locking
  - Creating Links to Business Component Documentation
- Managing Business Components and Directories
Creating Cubes and Dimensions
Using the Mapping Wizards
Appendix A: Datatype Reference
Appendix B: Configure the Web Browser
- Configure the Web Browser

Designer Guide

10.5
- 10.5.6
- 10.4.1
- 10.4.0

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Connecting to Mapplet Input Ports

When using a mapplet with input ports in a mapping, you connect the mapplet input ports to the mapping pipeline. You can pass data into a mapplet only when it originates from a single active transformation.

For example, in the following figure, the mapplet mpltLookupAndCompare accepts data from two Expression transformations because data from both transformations originate from a single source qualifier. The Source Qualifier SQ_CUSTOMERS is the active transformation providing mapplet source data:

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Table of Contents

Designer Guide

Designer Guide

Connecting to Mapplet Input Ports

Connecting to Mapplet Input Ports