Private/Write-JobMessage.ps1

function Write-JobMessage {
    [OutputType('void')]
    [CmdletBinding()]
    param
    (
        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [DateTime]$RunDate,

        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [int]$RunCount,

        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [string]$SQLInstance,

        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [int]$JobId,

        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [string]$StepName,

        [Parameter(Mandatory, ValueFromPipeline)]
        [ValidateNotNullOrEmpty()]
        [bool]$Success,

        [Parameter(ValueFromPipeline)]
        [string]$ExceptionMessage,

        [Parameter(ValueFromPipeline)]
        [System.Management.Automation.Credential()]
        [PSCredential] $Credential
    )

    begin {
        $ErrorActionPreference = 'Stop'
        $connSettings = Get-ConnectionString
        $RunDate2 = $RunDate.ToString("yyyy-MM-dd HH:mm:ss.fff")
        $ExceptionMessage= $ExceptionMessage.Replace("'","''")

        $credSplat = @{}
        if ($Credential -ne [System.Management.Automation.PSCredential]::Empty) {
            $credSplat['Credential'] = $Credential
        }

        $Query = "
        INSERT INTO [dbo].[job_logs]
                   ([run_date]
                   ,[run_count]
                   ,[instance_name]
                   ,[job_id]
                   ,[step_name]
                   ,[success]
                   ,[exception])
             VALUES
                   ('$RunDate2'
                   ,'$RunCount'
                   ,'$SQLInstance'
                   ,'$JobId'
                   ,'$StepName'
                   ,'$Success'
                   ,'$ExceptionMessage')
        "
 
    }

    process {
        Invoke-sqlcmd2 -ServerInstance $connSettings.server -Database $connSettings.database @credSplat -Query $Query
    }
}