Interface BlockAnnotationDefinition

Example: The default link annotation

{
  name: 'blockContent',
  title: 'Content',
  type: 'array',
  of: [
    {
      type: 'block',
      marks: {
        annotations: [
          {
            type: 'object',
            name: 'link',
            fields: [
              {
                type: 'string',
                name: 'href',
              },
            ],
          },
        ]
      },
    }
  ]
}
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