data.yaml

things:
  - id: 1
    type: my:person
    full_name: phoebe
    height: 10
  - id: 2
    type: my:organisation
    full_name: University of Earth
    number_of_employees: 2

myschema.yaml

name: test-schema
id: http://example.org/test-schema
default_prefix: http://example.org/test-schema/

prefixes:
  linkml: https://w3id.org/linkml/

default_curi_maps:
  - semweb_context
  
imports:
  - linkml:types
  
classes:
  NamedThing:
    slots:
      - id
      - full_name
      - type

  Person:
    is_a: NamedThing
    slots:
      - height
      
  Organisation:
    is_a: NamedThing
    slots:
      - number_of_employees

  

  Container:
    tree_root: true
    slots:
      - things
      
slots:
  id:
    identifier: true
    range: string
    required: true
  type:
    designates_type: true
  full_name:
    range: string
  height:
    range: integer
  number_of_employees:
    range: integer
  things:
    range: NamedThing
    multivalued: true
    inlined_as_list: true

test.sh

linkml-validate -s myschema.yaml data.yaml