SCHEMALL
Classes
Sign in
© 2026 Schemall
·
The source of structured meaning
About
API
Support
Brand
Terms
Privacy
SCHEMALL
Classes
Sign in
Vocabularies
Classes
Properties
Enumerations
Enummembers
Persons
Organizations
Vocabularies
Classes
Properties
Enumerations
Enummembers
Persons
Organizations
proficiencyLevel · Schemall
schema.org
›
classes
›
APIReference
›
properties
›
proficiencyLevel
About
Expected types
Validation
Specification
Options
Access
i18n
Changes
Description
Proficiency needed for this content; expected values: 'Beginner', 'Expert'.