Add an attachmentpost https://rls.congacloud.com/api/sign/v1/cs-packages/{packageId}/attachment/{attachmentId}Path ParamspackageIdstringrequiredattachmentIdstringrequiredBody ParamsFilefile | nullFileNamestring | nullAttachmentUidstring | nullResponses 200OK 400Validation Error 401Not Authorized 403Access Denied Error 404Not Found 406Not Acceptable Error 500Unexpected ErrorUpdated 25 days ago