Please follow the example and table below, to change the language of FTP Attachments® pop up window (For Attach, View, Update, Delete). User has to append &lang=Code (Refer Code from the below table) in the Custom Link URL manually as shown below.
for e.g:
for e.g:
Custom Link:
/apex/ENZ__LightningEval?URLToBeRedirect=https://app.ftpattachments.com/sforce/ftp/Attach.aspx&FieldName=ENZ__Opportunity__c&FieldValue={!Opportunity.Id}&OrgID={!Organization.Id}&SFUrl={!API.Partner_Server_URL_90}&NoWarnings=false&Folder=Opportunities/{!Account.Name}/{!Opportunity.Id}&lang=it
For Standalone user, replace {Yourdomain} with users domain name.
| Name | Code/key | Culture |
| English(US) | en | en-US |
| French | fr | fr |
| Italian | it | it |
| Spanish | es | es |
| Portuguese | pt | pt_br |
| Russian | ru | ru |
| Korean | ko | ko |
| Chinese (Simplified) | zh-cn | zh-CN |
| Chinese (Traditional) | zh-tw | zh-TW |
| Japanese | ja | ja |