OptionalidThe ID of the issue link.
Provides details about the linked issue. If presenting this link in a user
interface, use the inward field of the issue link type to label the link.
Provides details about the linked issue. If presenting this link in a user
interface, use the outward field of the issue link type to label the link.
OptionalselfThe URL of the issue link.
The type of link between the issues.
Details of a link between issues.