openapi: 3.1.0
info:
  title: OAS31 Example
  version: 1.0.0
paths:
  /objectTypeUnion:
    post:
      parameters:
        - name: typeUnion
          in: query
          schema:
            type: [object, integer]
            properties:
              id:
                type: string
              name:
                type: string
      responses:
        '200':
          description: OK
  /arrayTypeUnion:
    post:
      parameters:
        - name: typeUnion
          in: query
          schema:
            type: [array, integer]
            items:
              type: object
              properties:
                id:
                  type: string
                name:
                  type: string
      responses:
        '200':
          description: OK
  /arrayItemTypeUnion:
    post:
      parameters:          
        - name: itemTypeUnion
          in: query
          schema:
            type: array
            items:
              type: [object, integer]
              properties:
                id:
                  type: string
                name:
                  type: string
      responses:
        '200':
          description: OK
  /arrayTypeAndItemTypeUnion:
    post:
      parameters:      
        - name: typeAndItemTypeUnion
          in: query
          schema:
            type: [array, integer]
            items:
              type: [object, string]
              properties:
                id:
                  type: string
                name:
                  type: string
      responses:
        '200':
          description: OK