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Editorial Team
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Asked: 2026-06-11T09:05:03+00:00

When calling a cmdlet, is it possible to expand the value of a powershell

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When calling a cmdlet, is it possible to expand the value of a powershell variable somehow so it acts as a parameter (with associated values) for the cmdlet?

Here’s an example of what I’m trying:

$CREDENTIALED_SECTION = "-Username $USER_NAME -Password $PASSWORD"
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Invoke-Sqlcmd -ServerInstance "$SERVER_NAME" -Query "$SQL_STATEMENT" "$CREDENTIALED_SECTION" -Database "$DATABASE"

The problem comes when Invoke-Sqlcmd runs. It tells me that a positional parameter cannot be found that accepts “-Username my username -Password my password” So it’s expanding the variable but not properly sending it as a set of parameters. Is there a way to do what I’m trying here?

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1 Answer

  1. Editorial Team

    You can pass parameters like this to a PowerShell command using a hashtable instead e.g.:

    $CREDENTIALED_SECTION = @{Username=$USER_NAME; Password=$PASSWORD}

Invoke-Sqlcmd -ServerInstance $SERVER_NAME -Query $SQL_STATEMENT @CREDENTIALED_SECTION -Database $DATABASE

    Note that it isn’t necessary in this case to quote the PowerShell variables. You also need to use the splatting syntax in the command invocation e.g. @<hashtable_with_parameter_name_value_pairs>.

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