See these threads/articles:
"Arrow Key Navigation":
"Re: Navigate Portal Rows":
"Staying on the Keyboard Thanks to FileMaker Script Triggers"
"Listening for Keystrokes":
... there may be more
I just googled 'filemaker portal navigation with arrow key'
Thank you for your post!
I believe the sample attached accomplishes what you need. It uses a Code(Get(TriggerKeystroke)), Go to Portal Record, and the OnObjectKeystroke features. I have the trigger happening on the Portal object itself and the field in the Portal Row.
I hope this helps!
ArrowPortal.fmp12.zip 68.0 K
I managed to get it working with 'a' = up and 'z' = down but was unable to find what the arrow keys returned since the monitor didn't kick in when the script was run. I will read the articles with interest. Thanks for the help beverly.
I believe all the links note the Char() returned by arrow keys.