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What value of dest_key should be used for custom field extractions?

ankithreddy777
Contributor

During index time field extractions, what value of DEST_KEY should be used for custom field extractions as there is no default?

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somesoni2
Revered Legend

If you're adding a custom field extraction as index time (not overwriting existing metadata/default fields like host, source, sourcetype, _raw), and setting WRITE_META = true and providing custom field name in REGEX or FORMAT attribute, then DEST_KEY is not required.

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somesoni2
Revered Legend

If you're adding a custom field extraction as index time (not overwriting existing metadata/default fields like host, source, sourcetype, _raw), and setting WRITE_META = true and providing custom field name in REGEX or FORMAT attribute, then DEST_KEY is not required.

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