Property talk:P12995

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agent of action
particular item that initiates this action or class of actions

Represents	agent (Q392648), actor (Q23894381)
Data type	Item
Domain	occurrence (Q1190554) or occurrent (Q67518978)
Usage notes	Use as a qualifier, unless the statement applies to the subject item itself. If the value is a class rather than a particular item, use P12994 instead.
Example	German December 16 suprise attack in the Battle of the Bulge (Q116504918) → Army Group B (Q157572) Opening of Tokyo 2020 games (Q116504974) → Naruhito (Q217096) Johann Philipp Reis demonstration of the Reis telephone to the Physical Society of Frankfurt (Q116504999) → Johann Philipp Reis (Q77124)
See also	of (P642), object of occurrence (P12912), object class of occurrence (P12913), has cause (P828), agent class of action (P12994), agents of action have role (P12993)
Lists	Items with the most statements of this property Count of items by number of statements (chart) Items with the most statements Items with the fewest statements Count of items by number of sitelinks (chart) Items with the most sitelinks Items with the most sitelinks, but no link to one Wikipedia (sample: Welsh Wikipedia, cywiki) Items with the fewest sitelinks Most linked wikis Items with the most identifier properties By value of property Most statements Fewest statements Most sitelinks Most linked wikis Total of sitelinks on items Most identifiers Fewest identifiers Items with no other statements Most recently created items Items with novalue claims Items with unknown value claims Usage history (total) Usage history (main statement) Database reports/Constraint violations/P12995 Map Random list
Proposal discussion	Proposal discussion
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Type “occurrence (Q1190554), occurrent (Q67518978)”: item must contain property “instance of (P31), subclass of (P279)” with classes “occurrence (Q1190554), occurrent (Q67518978)” or their subclasses (defined using subclass of (P279)). (Help)

List of violations of this constraint: Database reports/Constraint violations/P12995#Type Q1190554, Q67518978, hourly updated report, SPARQL

Value type “agent (Q24229398)”: This property should use items as value that contain property “instance of (P31)”. On these, the value for instance of (P31) should be an item that uses subclass of (P279) with value agent (Q24229398) (or a subclass thereof). (Help)

List of violations of this constraint: Database reports/Constraint violations/P12995#Value type Q24229398, hourly updated report, SPARQL

Scope is as main value (Q54828448), as qualifier (Q54828449): the property must be used by specified way only (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12995#Scope, SPARQL

Allowed entity types are Wikibase item (Q29934200): the property may only be used on a certain entity type (Help)

Exceptions are possible as rare values may exist. Exceptions can be specified using exception to constraint (P2303).
List of violations of this constraint: Database reports/Constraint violations/P12995#Entity types