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

# WebCommon.incomingKeys(3kaya)

Return keys for user-supplied data

## NAME

WebCommon::incomingKeys - Return keys for user-supplied data

## SYNOPSIS

**\[String\] incomingKeys(** *DataSource ds* **)**

## ARGUMENTS

**ds** The source for user-supplied data

## DESCRIPTION

Returns all keys (in no particular order) with at least one value for the specified **WebCommon.DataSource (3kaya)**

-

   // called with ?a=1;b=2;b=5\
    keys = incomingKeys(DataGet);\
    // keys = \["a","b"\] or \["b","a"\]

## 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.DataSource (3kaya)**

**WebCommon.incomingData (3kaya)**

**WebCommon.incomingExists (3kaya)**

**WebCommon.incomingValue (3kaya)**