Key:created_by

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+/- created_by Description Tag representing Editor/Script which created/(edited) this item. Group Editor keys Element help Tools for this tag Combinations worldwide in Australia/Oceania in Europe (list) in Asia (list) in Central America (list) in South America (list) in Africa (list)  (via overpass turbo - help)

This tag is used to describe the editor or script which made the changes - similar to a user agent. Prior to version 0.6 of the API the created_by tag was applied to individual objects (nodes, ways and relations and even segments in earlier protocol versions). However, with the introduction of changesets to provide non-geographic "meta data" it makes more sense for the created_by tag to be recorded there. As of November 2012 many nodes, ways or relations still have a created_by tag, but these are slowly disappearing.

This key is silently dropped by OSM editors like JOSM when objects get modified.

Values

These values are set by software or scripts that create, sometimes edit something.

Some examples:

• JOSM/1.5 (1788 de)
• Potlatch 1.2
• Merkaartor 0.13

Note: You shouldn't edit this value to record your own name. That's recorded as a result of the username used to upload data.

Guidance to software developers

• You should record a created_by tag on a changeset when saving changes
• The created_by tag may contain a revision number, version number or similar. This helps people track down problems if a version of your editor/script has a bug in it.
  • Alternatively, potlatch2 splits information into created_by, version and build tags.
• You should not add or update the created_by tag on nodes/ways/relations.
• You may remove the created_by tag on nodes/ways/relations that you are modifying in a changeset. This is what JOSM, Potlatch, Potlatch2 and others now do.
• You should not remove the created_by tag on objects you are not otherwise modifying. If we wanted to remove them in bulk we'd do it some other way.