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