---
name: "WebCommon.incomingFileExists"
section: "3kaya"
platform: "linux"
package: "kaya"
version: "0.4.4-6.2"
release: "Debian 8 (Jessie)"
platforms: ["linux"]
url: "https://new.carta.tech/WebCommon.incomingFileExists"
---

# WebCommon.incomingFileExists(3kaya)

Check if any files are uploaded with a particular key name

## NAME

WebCommon::incomingFileExists - Check if any files are uploaded with a particular key name

## SYNOPSIS

**Bool incomingFileExists(** *String key* **)**

## ARGUMENTS

**key** The key to check for files

## DESCRIPTION

Returns **true**  if any files have been uploaded with this key name. This is generally better than catching **WebCommon.NotIncoming (3kaya)** exceptions from **WebCommon.incomingFile (3kaya)**

-

   if (incomingFileExists("picture")) {\
        pic = incomingFile("picture");\
        myUploadProcessor(pic);\
    }

## AUTHORS

Kaya standard library by Edwin Brady, Chris Morris and others (kaya@kayalang.org). For further information see http://kayalang.org/

## LICENSE

The Kaya standard library is free software; you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License (version 2.1 or any later version) as published by the Free Software Foundation.

## RELATED

**WebCommon.allowFileUploads (3kaya)**

**WebCommon.incomingExists (3kaya)**

**WebCommon.incomingFile (3kaya)**

**WebCommon.incomingFileKeys (3kaya)**

**WebCommon.incomingFiles (3kaya)**