REST API get leadchanges.json with fields, but fields array always empty
hi
i use REST to get result, i use activities.json with type 12 and 13, mean "new created" and "updated".
after i got result, i query via REST for each leadId.
now i want it faster, i try leadchanges.json with fileds i need. for example
/rest/v1/activities/leadchanges.json?nextPageToken=<nextPageToken>&access_token=<access_token>&fields=firstName,lastName,department
but the fields array of the result always empty.
is anything i miss understanding?