# Step 1: Choose a video file
Set Variable [ $filePath ; Value: MBS( "FileDialog.OpenFile" ) ]

# Exit if user cancels
If [ IsEmpty($filePath) ]
        Show Custom Dialog [ "Cancelled" ; "No file selected." ]
        Exit Script []
End If

# Step 2: Open the file with AVPlayer and get a player reference
Set Variable [ $playerRef ; Value: MBS( "AVPlayer.OpenURL"; $filePath ) ]

# Check if the player was created
If [ IsEmpty($playerRef) ]
        Show Custom Dialog [ "Error" ; "Failed to create AVPlayer instance." ]
        Exit Script []
End If

# Step 3: Optionally start playback (so rate is > 0)
Set Variable [ $result ; Value: MBS( "AVPlayer.Play"; $playerRef ) ]

# Add delay (so video starts playing)
Pause/Resume Script [ Duration (seconds): 1 ]

# Step 4: Get current playback rate
Set Variable [ $rate ; Value: MBS( "AVPlayer.GetRate"; $playerRef ) ]

# Step 5: Show the rate
Show Custom Dialog [ "Playback Rate" ; "Current playback rate: " & $rate ]