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----
-title: collections.EchoParam
-linkTitle: echoParam
-description: Prints a parameter if it is set.
-categories: [functions]
-keywords: []
-menu:
- docs:
- parent: functions
-function:
- aliases: [echoParam]
- returnType: any
- signatures: [collections.EchoParam COLLECTION KEY]
-relatedFunctions: []
-aliases: [/functions/echoparam]
----
-
-For example, consider this site configuration:
-
-{{< code-toggle file=hugo copy=false >}}
-[params.footer]
-poweredBy = 'Hugo'
-{{< /code-toggle >}}
-
-To print the value of `poweredBy`:
-
-```go-html-template
-{{ echoParam site.Params.footer "poweredby" }} → Hugo
-```
-
-{{% note %}}
-When using the `echoParam` function you must reference the key using lower case. See the previous example.
-
-The `echoParam` function will be deprecated in a future release. Instead, use either of the constructs below.
-{{% /note %}}
-
-```go-html-template
-{{ site.Params.footer.poweredBy }} → Hugo
-{{ index site.Params.footer "poweredBy" }} → Hugo
-```