associateDealToCustomObject.py

import os
from pprint import pprint
from hubspot import HubSpot

def main(event):

    # Change the Object Type and Association Type to your custom object
    customObjectType = "2-XXXXXXXXX"
    associationType = "contact_to_CUSTOMOBJECT"

    hubspot = HubSpot(api_key=os.getenv("HAPIKEY"))

    # Get contact ID of associated contact of deal
    contactId = hubspot.crm.deals.associations_api.get_all(
        deal_id=event.get("object").get("objectId"),
        to_object_type="CONTACT"
    ).results[0].id

    pprint("The associated contact ID:")
    pprint(contactId)

    # Get the associated custom objects of deal
    customObjects = hubspot.crm.deals.associations_api.get_all(
        deal_id=event.get("object").get("objectId"),
        to_object_type=customObjectType
    ).results

    pprint("The custom objects are:")
    pprint(customObjects)

    # Associate the contact to each custom objects
    for object in customObjects:
        customObjectId = object.id

        pprint("custom object ID:")
        pprint(customObjectId)

        associateContactToCustomObject = hubspot.crm.contacts.associations_api.create(
            contact_id=contactId,
            to_object_type=customObjectType,
            to_object_id=customObjectId,
            association_type=associationType
        )

        pprint("Response for association:")
        pprint(associateContactToCustomObject)

    return