powershell parameters

I'm attempting to run a cmdlet in my script that accepts different parameters.
I have two scenarios that I'm trying to cover in one logical statement.
Is there a way to build the parameter set before running the cmdlet so that I can reduce my code?
Here's a brief pseudo-example:

If ($primary -eq $true) {
 $parms = "-location 'campus' -operatinghours 'daylight'"
} else
 $parms = "-location 'extension' -operatinghours 'nightly'"
create-widget $parms
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Yes; it's called "splatting".
You simply create a hash table with the argument names as keys, and the respective values.
Then you do not pass "$hashtable" to the cmdlet, but "@hashtable":
$parms = @{}
If ($primary -eq $true) {
	$parms["location] = "campus"
	$parms["operatinghours"] = "daylight"
} else { 
	$parms["location] = "'extension'"
	$parms["operatinghours"] = "'nightly'"
Create-Widget @parms

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See about_splatting, https://technet.microsoft.com/en-us/library/jj672955.aspx

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