Adding $flow.fileName of upladed image to custom TOOL

[rec-it-yna]

Dear,
i need to get the the imageURL of upladed image in the chat for example https://flowiseURL/api/v1/get-upload-file?chatflowId=&chatId=&fileName= as a default variable in Function in custom tool. it has already only this $flow.sessionId
$flow.chatId
$flow.chatflowId
$flow.input => this only return the text input of user
but i want to get the uploaded image URL ; my issue only is i can't fin the way to get the fileName of the upladed image. i need it for a custom function
i know it's possible, here a screenshot of where it should modify in flowise code :

it's realy an urgent need , and i really appreciate your support
thank you so much

[automaton82]

Why not make the changes and issue a PR?

[rec-it-yna]

thank you for your reply, i tried to set some change, but it taked something else wrong ;