How to Check if an Attachment Exists
-
To check whether a document contains a certain attachment,
use the methodexists()
from theadvanced.attachments
session operations. -
Calling 'exists' does not load the document or the attachment to the session,
and the session will not track them. -
In this page:
Check if attachment exists
const exists = await session
.advanced
.attachments
.exists("categories/1-A", "image.jpg");
if (exists) {
// attachment 'image.jpg' exists on document 'categories/1-A'
}
Syntax
session.advanced.attachments.exists(docId, attachmentName);
Parameter | Type | Description |
---|---|---|
docId | string |
The ID of the document you want to check |
attachmentName | string |
The name of the attachment you are looking for |
Return Value | Description |
---|---|
Promise<boolean> |
true - The specified attachment exists on the documentfalse - The attachment does not exist on the document |