ExternalLoad : BOOL In [...] Load BOOL
ExternalSave : BOOL In [...] Save BOOL
Contains : BOOL In [...] Return Contains BOOL
: BOOL InOut: Scope [...] Send BOOL
Acknowledge : BOOL In [...] BOOL
: BOOL InOut: Scope [...] Next BOOL
Previous : BOOL In [...] Return Previous BOOL
: BOOL InOut: Scope [...] Clear BOOL
Update : BOOL In [...] Return Update BOOL
Advance : BOOL In [...] Return Advance BOOL
