struct IAIGroup {
  enum eAvPositionMode {
    AVMODE_ANY,
    AVMODE_PROPERTIES,
    AVMODE_CLASS
  };
};

IAIGroup.h

enum eAvPositionMode {
  AVMODE_ANY,
  AVMODE_PROPERTIES,
  AVMODE_CLASS
};

IAIGroup.h

virtual ~IAIGroup();

virtual IAIObject* GetAttentionTarget(bool bHostileOnly, bool bLiveOnly) const = 0;

virtual Vec3 GetAveragePosition(eAvPositionMode mode = AVMODE_ANY, uint32 unitClass = UNIT_ALL) const = 0;

virtual int GetGroupCount(int flags) = 0;

Returns the number of units in the group, see IAISystem::EGroupFlags.

virtual int GetGroupId() = 0;

Returns the ID of the group.

virtual int GetTargetCount(bool bHostileOnly, bool bLiveOnly) const = 0;

Gets the number of attention targets in the group

virtual int GetUnitCount(uint32 unitPropMask = UPR_ALL) const = 0;

virtual bool IsMember(const IAIObject* pAI) const = 0;

Returns true if the given AIObject is in the group

virtual void NotifyReinfDone(const IAIObject* obj, bool isDone) = 0;

triggers reinforcements state

virtual void SetUnitProperties(const IAIObject* obj, uint32 properties) = 0;

Sets specified unit's properties, see EUnitProperties.