# Determine Passenger Service Availability

PhysicalFunction

In-Flight Entertainment System > In-Flight Entertainment System > Physical Architecture > Physical Functions > Root Physical Function > IFE System > Manage Passenger Services Lifecycle > Determine Passenger Service Availability

This function is responsible for computing the availability of passenger services based on the authorization scheme (airline business strategy) and the aircraft contraints.

## Incoming Functional Exchanges

Exchange | Source | Description | Allocated Exchange Items
--- | --- | --- | ---
Passenger Service Authorization Profile | Set Passenger Service Authorization |  |
IFE Operating Profile | Determine Operating Profiles |  |
Available Passenger Service Request | Display Homepage on Seat TV |  |

## Outgoing Functional Exchanges

Exchange | Target | Description | Allocated Exchange Items
--- | --- | --- | ---
Passenger Available Services List | Display Homepage on Seat TV |  |
Passenger Available Services List | Start/Resume Service |  |

## Realized Elements

- Determine Passenger Service Availability

## Diagrams displaying "Determine Passenger Service Availability"

- [PAB] [BUILD] All PCs, PFs, FEs
- [PAB] [BUILD] Template
- [PFBD] All Physical Functions
- [PDFB] [CTX] Manage Passenger Services Lifecycle