minecraft-bedrock-json-schemas/source/behavior/features/1.13.0/features/minecraft.single_block_feature.json

{
  "type": "object",
  "additionalProperties": false,
  "properties": {
    "description": {
      "title": "Description",
      "description": "",
      "type": "object",
      "properties": {
        "identifier": {
          "title": "Identifier",
          "description": "The name of this feature in the form 'namespace_name:feature_name'. 'feature_name' must match the filename.",
          "type": "string",
          "$ref": "../../../../general/feature/identifier.json"
        }
      }
    }
  }
}