json_schema: {
      "additionalProperties": false,
      "properties": {
          "emailAddress": {
              "pattern": "^[^@^\\s]+@[^@^\\.^\\s]+(\\.[^@^\\.^\\s]*)*.gov.uk",
              "type": "string"
          },
          "mobileNumber": {
              "pattern": "^\\+44[\\d]{10}$",
              "type": "string"
          },
          "password": {
              "type": "string"
          }
      },
      "required": [
          "emailAddress",
          "mobileNumber",
          "password"
      ],
      "type": "object"
  }