I have manually added an end user along with his mail. his ID is 12345.
I set up a trigger for sending a mail to the requester.
I then send a "requests" request with the end user ID as follows:
{
I expected that Zendesk will use the end user's ID to send him a mail, but I get:
Any idea how can I have Zendesk sending a mail to existing end users without specifying their mail in the request, but only use their id?