Functions/Public/Set-InfluxDbServer.ps1

function Set-InfluxDbServer {
    [CmdletBinding(SupportsShouldProcess, ConfirmImpact='Low')]
    param(
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]
        $Server
        ,
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]
        $User
        ,
        [Parameter(Mandatory)]
        [ValidateNotNullOrEmpty()]
        [string]
        $Token
    )
    
    begin {
        if (-not $PSBoundParameters.ContainsKey('Confirm')) {
            $ConfirmPreference = $PSCmdlet.SessionState.PSVariable.GetValue('ConfirmPreference')
        }
        if (-not $PSBoundParameters.ContainsKey('WhatIf')) {
            $WhatIfPreference = $PSCmdlet.SessionState.PSVariable.GetValue('WhatIfPreference')
        }
    }

    process {
        if ($Force -or $PSCmdlet.ShouldProcess("ShouldProcess?")) {
            $script:InfluxDbServer = $Server
            $script:InfluxDbUser   = $User
            $script:InfluxDbToken  = $Token
        }
    }
}