bare minimum for hubspot custom object creation

workflow.js

const hubspot = require('@hubspot/api-client')

const hubspotClient = new hubspot.Client({
  "accessToken": process.env.PRIVATE_APP_TOKEN
})

const labels = {
  "singular": "Property",
  "plural": "Properites"
};

const ObjectSchemaEgg = { 
  labels, 
  requiredProperties: [
    "property_name", 
    "property_address"
  ], 
  searchableProperties: ['property_name'], 
  primaryDisplayProperty: "property_name", 
  secondaryDisplayProperties: ['property_address'], 
  properties: [
    {
      "name":"property_name",
      "label":"Property Name",
      "isPrimaryDisplayLabel":true,
      "type":"string"
    },
    {
      "name":"property_address",
      "label":"Property Address",
      "isPrimaryDisplayLabel":false,
      "type":"string"
    }
  ], 
  associatedObjects: [
    "CONTACT",
    "DEAL"
  ], 
  name: "meta_property" 
}

try {
  const apiResponse = await hubspotClient.crm.schemas.coreApi.create(ObjectSchemaEgg);
  console.log(JSON.stringify(apiResponse.body, null, 2));
} catch (e) {
  e.message === 'HTTP request failed'
    ? console.error(JSON.stringify(e.response, null, 2))
    : console.error(e)
}