You can assist your partners with creating tracking or vanity links and sharing them on an ad-hoc basis.
From the left navigation menu, select Partners → Partners.
From your partner list, hover over the partner for whom you want to create a tracking link, then select
[More] → Tracking → Create a link.Optionally, specify an alternative landing page and select Advanced to add Sub IDs, a Shared ID, or a verified partner property to the tracking link for reporting purposes.
Select Create.
To edit the URL protocol, select the URL protocol
[Drop-down menu].https://—The link will only use the secure version of HTTP.
http(s)://—The link will attempt to use the secure version of HTTP and will use unsecured HTTP as a fallback.
To create a custom short link (aka a vanity link), select
[Edit], change the URL path, and select 
[Checkmark].
