Use this Snippet at the beginning of your PowerShell to check for a Module Dependency and install if its missing. #Snippet #Public

PowerShell Module Dependency check

# PowerShell Module Dependency check.
#
$modulename = "SqlServer"   #PowerShell Module Dependency to check
if(-not(Get-Module -name $modulename))
{
if(Get-Module -ListAvailable |
Where-Object { $_.name -eq $modulename })
{
Import-Module -Name $modulename
$true
} #end if module available then import
else { 
Echo " Installing the PowerShell Module: $modulename "

Install-Module -name $modulename
 } #module not available. Install Module
} # end 'if not' module statement.
#else { Echo "Powershell Module is already installed and loaded"} #module already loaded