AddAttachment
Add an Attachment to a SharePoint List item.
Input
| Name | Type | Required | Description |
| File | String | False | The path of the local file to be added. |
| List | String | True | The name of the List on the SharePoint server. |
| ItemID | String | True | The Id of the item on the List to add attachments for. |
| FileName | String | False | Name of the file to be uploaded. This will be used if content is not null. For example: test.csv |
Result Set Columns
| Name | Type | Description |
| Success | Boolean | Indicates whether the operation was successful or not. |
| URL | String | The URL of the newly created item. |