A cross-function Team is the involvement of all departments that are in an organization to contribute knowledge, skills and innovation towards adding value to achieving the organization's strategic goal. Example, procurement, maintenance, marketing, finance, human resources working together in procurement activity to come up with the best strategy or selecting the supplier that best suit the organization.
When working in a cross-functional team, members of the organization give support by believing in the end goal, assist during difficult time, help troubleshoot any issue, providing the required resources and sharing information