To change caption brfore senting

[dhanushlegends787]

Bro please help me to know what i should change inorder to change the caption of the file before senting it

example:
caption =f"{msg.document.file_name}\n\n➠Cʜᴀɴɴᴇʟ : @mychannel"

please Help m,e u can contact me on telegram https://t.me/ziko_0000 also

[rahulps1000]

we will consider your opinion