What constitutes in the line of duty?

"In the line of duty" refers to actions taken by a professional, typically within law enforcement, military, or emergency services, while performing their official responsibilities. This phrase often implies that the individual was engaged in activities directly related to their job and that any incidents or events occurring during this time are recognized as part of their professional obligations. It can also signify that the individual was acting in service to the public or fulfilling their role, often under challenging or hazardous conditions.