Select the recipients of the segment:
- Private access. In the "Select recipients" field, enter the logins of the myTarget users you want to give access to the segment or source. To send an access key to these users, click "Send access key to selected users".
- Public access. If you want to create a public segment, leave the select recipients field blank.
Then click "Generate access key". Will appear on the page the access key, the list of users who are available, or indicating that the key public.