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The boolean type matches only two special values: true and false. Note that values that evaluate to true or false, such as 1 and 0, are not accepted by the schema.


The following schema describes a boolean.

type: boolean
description: True if it is active
example: true

The following image shows the boolean schema.

schema boolean


  • SchemaProperties
const SchemaProperties: NodeType = {
  properties: {},
  additionalProperties: 'Schema',