Fetches an email hook based on the ID.
An email hook allows you to pass data into Kustomer by sending HTML email. Creating an email hook will return an email address.
Any email received at that address will be parsed to extract json data. For added security, the email data requires inclusion of
The key should be included in the script tag within the html body of the email message along with the script type, i.e.
<script type="application/ld+json" data-kustomer-key="KEY_HERE">