NiFi Ingest 26.3
NiFi Ingest

# MergeDocument

Accepts FlowFiles that were created by a SplitDocument processor, and merges them back together to form document FlowFiles.

## Properties

Name | Default Value | Description
--- | --- | ---
The maximum age... | 1 hour | The maximum amount of time that a FlowFile should wait in the input queue, before being transferred to the "expired" relationship. The processor cannot output document FlowFiles until all of the required parts (text content, metadata, binary file content, and file paths) are available. If you have routed the parts through different processing steps, some parts might arrive in the input queue before others.
The order in which parts are merged | content, xmlmetadata, contentfile, contentfilename, externalfile | The order in which to merge document FlowFile parts.

## Relationships

Name | Description
--- | ---
success | Document FlowFiles that were created by merging input FlowFiles.
failure | FlowFiles that were not successfully processed.
expired | FlowFiles that expired before they could be merged.

Copyright 2018-2026 Open Text
Version 26.3 | Last updated July 2026

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Product: Knowledge Discovery NiFi Ingest 26.3

Topic Title: MergeDocument