Find USERS,ROLES,MANAGER ROLE/GROUP IN 8.5.X

In this we are going to find the difference b/w role ,group and manager role/group. And also we will understand how to retrieve user details details from System API.

Assume that we have 2 groups in process admin console
                             1.DEV_GRP --> user1,user2
                             2.MANAGER_GRP --> mgr1,mgr2

•   How to find role of current logged in user  tw.system.org.findUserByName(tw.system.userLogin_Name).roles -->  it will give DEV.GRP for User1 & MANAGER.GRP for mgr1
• How to find Manager role of current logged in user  tw.system.org.findUserByName(tw.local.currentUser).roles[0].teamManagerRole.roles --> it will give MANAGER.GRP for mgr1
• How to find group of current logged in user  tw.system.org.findUserByName(tw.local.currentUser).participantGroups it will give DEV.Team for User1 & MANAGER.Team for mgr1.
• How to find all users in a team    tw.system.org.findTeamByName("DEV.Team").allUsers