Configuring Downlinks on Datacake

Configuring Downlinks on Datacake

I'm trying to configure a connection for downlinks on Datacake, and I'm confronted with the dialog box below. There is a field for the "Target profile identifier." In the description, they say that the identifier "must already be configured within the DX API platform." How do I go about doing this? How can I find the value of this identifier?


Thanks,
David Walker