Data Parameterization - Retrieving unique data

Hi Team,
Referring Docs - Retrieving unique data, scenario.iterationInTest

My test data is stored in testData.json file
In my request URL I want to pass random unique set of test data in variable randomAddress

But getting error "ERRO[0000] GoError: getting scenario information outside of the VU context is not supported"
Can you please help on this
Below is script

import { SharedArray } from 'k6/data';
import { scenario } from 'k6/execution';
import http from "k6/http";
import { check, sleep } from "k6";

const data = new SharedArray('users', function () {
  const f = JSON.parse(open('./testData.json'));
  return f;
});

export const options = {
  scenarios: {
    'constant-arrival-rate': {
      executor: 'constant-arrival-rate',
      rate: `${__ENV.RATE}`,
      timeUnit: '1s',
      duration: `${__ENV.DURATION}`,
      preAllocatedVUs: `${__ENV.PREALLOCATEDVUS}`,
      gracefulStop: '1s',
    },
  },
};

const randomAddress = data[scenario.iterationInTest];

const apiKEY = `${__ENV.APIKEY}`
export default function () {
  const testURL = `https://apitest.com/${randomAddress}/test`
  const url = testURL
  const params = {
    headers: {
      "accept": "application/json",
      "X-Api-Key": apiKEY,
    },
  };

  const result = http.get(url, params);

  check(result, {
    'status was 200': (response) => {
      if (response.status !== 200) {
        console.log(response.status, response.body, url);
      }
      return response.status === 200;
    },
  });
}

2nd question : If I want to pass full request URL as ENV using different randomAddress variable value

means something like
const testURL =${__ENV.URL}

k6 run -e URL=https://apietest.com/${randomAddress}/test

what is the correct syntax to run ?

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