Process Images and Attachments in your base
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Function Type: Record Processing Functions 
In this article
- Attachments Configuration
 - General Function Configuration
 - Convert URL to Attachments
 - Extract URLs from Attachments
 - Calculate Filesize Sum
 - Test Your Function
 - Install Your Function
 
Attachments Configuration
General Function Configuration
Using Convert URL to Attachment option in this example
Convert URL to Attachments
- Convert URL to an attachment and add to an Attachment field
 - Input Fields - Choose 1 or more fields where you have files listed as URLs
 - Select Output Field - Select the Attachment field where you want to add the converted URLs as attachments
 - Next, choose any Advanced Settings you need
 - Click Save Action Function Details
 
Extract URLs from Attachments
- Extract full URLs from attachments and add the URL to another field
 - Input Fields - Choose 1 or more fields where you have attachments
 - Select Output Field - Select the field where you want to add the URLs This can be a URL or text field
 - Next, choose any Advanced Settings you need
 - Click Save Action Function Details
 
Calculate Filesize Sum
- Calculate the total file size of all attachments from a single Attachment field
 - Input Fields - Choose 1 Attachment field type
 - Select Output Field - Select the field where you want to output the total file size
 - Next, choose any Advanced Settings you need
 - Click Save Action Function Details
 
Test Your Function
- Next, 
Test Your Function ✔
 
Before using your Function, you must test it.
Install Your Function
- Then, 
Install Your Function in Your Base ✔ via a Schedule (recommended), a Zapier zap, an Airtable Automation, a Script in the Scripting app, or directly via REST API.
 
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