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  • Help with sending attachments API

    Hello, I need some help, please. I have an email containing four attachments, and I want to retrieve them one by one and send them to an API.

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    For now, I know how to send just one, but I want to send them all

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  • #2
    Please !

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    • #3
      You can send a whole variable as a payload. Prepare an object by using object\ functions. And then use that variable as a payload. Note that this was added in a relatively recent version.

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      • #4
        Exemple !?

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        • #5
          You already have the $file variable which is an object. Use it by specifying 'file' in 'Payload from variable'. Erase the Payload textbox

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          • #6
            yes, but this sends all the attachments at once, I want to extract them and send one by one

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            • #7
              Hello,

              I'd be happy to help with that. Here’s a general approach you can follow to retrieve email attachments and send them to an API:

              1. Retrieve the Email Attachments:
              - Use an email client library (e.g., `imaplib` for IMAP or `smtplib` for SMTP in Python) to connect to your email server.
              - Authenticate and search for the email containing the attachments.
              - Retrieve and download the attachments to your local system.

              2. Send Attachments to the API:
              - Use a library like `requests` in Python to send HTTP requests.
              - Open each attachment file and send it to the API endpoint.

              Here is an example in Python:

              ```python
              import imaplib
              import email
              import requests

              # Connect to the email server and log in
              mail = imaplib.IMAP4_SSL('imap.your-email.com')
              mail.login('your-email@example.com', 'your-password')

              # Select the mailbox and search for the email
              mail.select('inbox')
              status, messages = mail.search(None, 'ALL')
              email_ids = messages[0].split()

              # Fetch the email by ID
              status, msg_data = mail.fetch(email_ids[-1], '(RFC822)')
              msg = email.message_from_bytes(msg_data[0][1])

              # Loop through the email parts to find attachments
              for part in msg.walk():
              if part.get_content_maintype() == 'multipart':
              continue
              if part.get('Content-Disposition') is None:
              continue

              filename = part.get_filename()
              if filename:
              # Save the attachment
              with open(filename, 'wb') as f:
              f.write(part.get_payload(decode=True))

              # Send the attachment to the API
              with open(filename, 'rb') as f:
              response = requests.post('https://your-api-endpoint.com/upload', files={'file': f})
              print(f'Uploaded {filename}, Response: {response.status_code}')

              # Close the connection to the mail server
              mail.logout()
              ```

              Replace the placeholders (`imap.your-email.com`, `your-email@example.com`, `your-password`, `https://your-api-endpoint.com/upload`) with your actual email server details, credentials, and API endpoint.

              This script:
              1. Connects to your email server and logs in.
              2. Searches for emails and retrieves the latest one.
              3. Extracts attachments and saves them locally.
              4. Sends each attachment to the specified API endpoint.

              Make sure you have the necessary libraries installed (`imaplib`, `email`, `requests`). You can install `requests` using `pip install requests`.

              I hope this helps! Let me know if you need further assistance.​

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              • #8
                Thank you, Davidjuan, but I want to use BPM. I want to extract the attachments from the email and send each attachment to my API individually, as I want to receive a single response for each attachment. With the method yuri explained to me, it works, but it retrieves all the attachments at once instead of each attachment separately.

                For example, if I have an email with 4 attachments, I want to extract all 4 and send each one individually to the API with the following format:

                ```json
                {
                "name": "{$$name}",
                "type": "{$$type}",
                "file": "{$$content}"
                }
                ```

                This way, I will receive a separate response for each attachment.​

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                • #9
                  You can use multi-instance Sub-Process. If you have an array of attachments (or ids), pass them to each instance of the Sub-Process. That Sub Process will have Task that sends one attachment. It maybe bit tricky to figure out how to use it. But it's feasible.

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                  • #10
                    "I now have the ID of each attachment. How can I obtain the 'name', 'type', and 'file' of each one?"




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                    Attached Files

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                    • #11
                      How your sub process looks like? Can you expand it and provide a screenshot. You need to add a Task with Send HTTP Request there. And use the same formula you used before but with $inputItem variable instead of the attachment ID.

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                      • #12
                        Thank you very much, yuri . I've been looking for a solution for 3 months, you saved my life.




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