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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
+```