Make bulk association.js

const axios = require('axios');

// PUT THE FROMS/TOS IN THIS DATA VARIABLE
let data = JSON.stringify({
  "inputs": [
    {
      "from": {
        "id": "40715675193"
      },
      "to": {
        "id": "11746089350"
      }
    }
  ]
});

let config = {
  method: 'post',
  maxBodyLength: Infinity,
  url: 'https://api.hubapi.com/crm/v4/associations/deal/[PUT THE CUSTOM OBJECT ID FOR CONFERENCES HERE]/batch/associate/default',
  headers: { 
    'Content-Type': 'application/json', 
    'Authorization': 'Bearer TEST'
  },
  data : data
};

axios.request(config)
.then((response) => {
  console.log(JSON.stringify(response.data));
})
.catch((error) => {
  console.log(error);
});