Template:Constraint:Item

Item: items with this property should also have

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: [[Wikidata:Database reports/Constraint violations/Constraint:Item#Item {{{property}}}|Database reports/Constraint violations/Constraint:Item#Item {{{property}}}]]

Template documentation

Purpose

Allows to check if items using a given property also use other properties.

Sample

1. Wikimedia language code (P424) is used on items about languages.
2. These items all should have instance of (P31)language (Q34770).
3. To check this and find items that still miss instance of (P31)language (Q34770),
   add {{Constraint:Item|property=P31|item=Q34770}} to Property talk:P424.

Categorization

This template categorizes into Category:Properties with constraints on items using them

Usage

{{Constraint:Item|property=Pxx|item=Qxx

|items={{Q|xx}},{{Q|xx}},{{Q|xx}} |exceptions={{Q|xx}},{{Q|xx}} }}

xx are numbers

Samples

• Items that should have property:P131:

{{Constraint:Item|property=P131}}

• Items that should have Property:P10 with value Q1:

{{Constraint:Item|property=P10|item=Q1}}

• To check for persons or taxons, add:

  {{Constraint:Person}} or {{Constraint:Taxon}} accordingly

  which expands to multiple {{Constraint:Item}} statements

• To check for items in a specific country, add all of the following:

  {{Constraint:Item|property=P17|item=Q34}}

  {{Constraint:Item|property=P131}}

  Sample is for Sweden (Q34)

See also

• Template:Constraint