# value-type constraint

> type of constraint for Wikidata properties: used to specify that the value item should be a subclass or instance of a given type

**Wikidata**: [Q21510865](https://www.wikidata.org/wiki/Q21510865)  
**Source**: https://4ort.xyz/entity/value-type-constraint


## References

1. [Source](https://raw.githubusercontent.com/Pascalco/harvesttemplates/master/getconstraints.php)
2. [Source](https://raw.githubusercontent.com/wikimedia/mediawiki-extensions-WikibaseQualityConstraints/dd6d6f25d094b1f0fe2cae7a47dac2f02e842c30/extension.json)