A custom field for a contact.
Add a Custom Field to a Campaign
Adds a new custom field to a campaign with the given id.
Create or Update a Contact
DailyStory supports custom fields to allow you to store virtually any data with a contact....While custom fields comes with their own benefits you can add/remove data using API even if you haven't created the custom field....To update a contact's custom fields, include the custom field data in the JSON body of your POST:
While not required, we recommend custom field key is lower case, contain no spaces, and are limited to alphanumeric characters....This ensures that if the custom field were used for API access, such as personalization, the customer field could be accessed.