Help:Datatype "External identifier"

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External identifier
Holds a value that associates it with with a external URI for formatting
Further Information
Provided by: Semantic MediaWiki
Added in version: 2.5.0
Removed in version: still in use
Datatype ID:
In this wiki: External identifier
Table of Contents

External identifier 1 is a datatype that associates a text value to an external URL. It was introduced with Semantic MediaWiki 2.5.0Released on 14 March 2017 and compatible with MW 1.23.0 - 1.29.x..


For example, a value annotation like [[NDL ID::00564222]] is going to be represented as:

  • in case the required
  • [[External formatter uri::$1]] is denoted on the relevant property page that specifies the NDL ID property.

Features and limitations


Related query syntax elements


Help pageSyntax elementDescription
#ask: annotation query marker
Marks an inline query as part of an annotation3
#ask: control query marker
Allows to dynamically alter a result display without the need to reload a page4
#ask: deferred query marker
Marks an inline query as deferred from regular parsing4
#ask: hierarchy depth restriction
Restricts the hierarchy depth of a query5
#ask: printout column alignment
Defines an alignment for the content of a printout column
#ask: printout column width
Defines a width for a printout column6
#ask: printout sorting order
Defines the sorting order for printout statements (dot chain syntax)7


  1. ^  Semantic MediaWiki: GitHub issue gh:smw:1708
  2. ^  Semantic MediaWiki: GitHub pull request gh:smw:2815
  3. ^  Semantic MediaWiki: GitHub pull request gh:smw:2572
  4. a b  Semantic MediaWiki: GitHub pull request gh:smw:2398 (Add support for @deferred mode)
  5. ^  Semantic MediaWiki: GitHub issue gh:smw:2662
  6. ^  Semantic MediaWiki: GitHub pull request gh:smw:2677
  7. ^  Semantic MediaWiki: GitHub pull request gh:smw:2073