How can I get fileid for assisant?

Hello, everyone
I am going to send message to my assistant.
I am going to attach my file.
How can I add file ?
I just got this code
await openai.beta.threads.messages.create(threadId, {
role: latestMessage.role,
content: latestMessage.content,
file_ids:
});

but how can I get the fileid of the file that I am going to attach.
Please help me.

You can get a list of yours files with this code:

import OpenAI from "openai";

const openai = new OpenAI();

async function main() {
  const list = await openai.files.list();

  for await (const file of list) {
    console.log(file);
  }
}

main();

Thanks for your reply
I am going to attach my local files with my question to assistant.
For that, I have to get the fileID
But in your code, I can’t find input section for my local file.
Could you provide more details?

Other away to see yours file is here:
https://platform.openai.com/files/

Thanks,
But I have to send my local file with this code

await openai.beta.threads.messages.create(threadId, {
role: latestMessage.role,
content: latestMessage.content,
file_ids:
});

for this, first I should get the fileid of files i am going to send.
using code

Ok, I understand, you want to pass a file at individual Message-level. First upload the File using the File upload (https://platform.openai.com/docs/api-reference/files/create) endpoint and then pass the File ID as part of the Message creation request.

const file = await openai.files.create({
    file: fs.createReadStream("mydata.jsonl"),
    purpose: "assistants",
  });

const msg = await openai.beta.threads.messages.create(threadId, {
role: latestMessage.role,
content: latestMessage.content,
file_ids: [file.id]
});