NiFi Ingest 25.3
NiFi Ingest

# MaxSearchHeaderRow

In table mode, `MaxSearchHeaderRow` is the maximum number of rows to search a table for the HeaderEntityN entities.

By default, Named Entity Recognition searches only the first row of a table for the configured header entities. Set `MaxSearchHeaderRow` to a higher number of rows to allow Named Entity Recognition to search additional rows. It then searches for up to the `MaxSearchHeaderRow` number of rows, until it finds a header match, and then stops. For example, if you set `MaxSearchHeaderRow` to 5, and Named Entity Recognition finds a header match on the third row, it stops searching.

This method might be useful if your tables sometimes contain irrelevant information in the first few rows.

NOTE: Only rows with content count towards the row count; Named Entity Recognition does not count any empty rows.

You can also set `MaxSearchHeaderRow` to -1 (unlimited) to search the whole table to find a header match.

For more information about table extraction, refer to the Named Entity Recognition User and Programming Guide.

Type: | Integer
Default: | 1
Required: | No
Configuration Section: | Any section that you have defined for Named Entity Recognition settings
Example: |
    MaxSearchHeaderRow=5
See Also: | CellEntityN HeaderEntityN

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Version 25.3 | Last updated July 2025

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Product: Knowledge Discovery NiFi Ingest 25.3

Topic Title: MaxSearchHeaderRow