4-MembersToIncludeInDatabaseRole.ps1

<#
    .DESCRIPTION
        This example shows how to do the following:

        1. Ensure that the database role named ReportViewer is present in the
           AdventureWorks database on instance sqltest.company.local\DSC.
        2. Ensure that users CONTOSO\Barbara and CONTOSO\Fred will always be
           members of the role.
#>

Configuration Example
{
    param
    (
        [Parameter(Mandatory = $true)]
        [System.Management.Automation.PSCredential]
        $SqlAdministratorCredential
    )

    Import-DscResource -ModuleName 'SqlServerDsc'

    node localhost
    {
        SqlDatabaseRole 'ReportViewer_IncludeRoleMembers'
        {
            ServerName           = 'sqltest.company.local'
            InstanceName         = 'DSC'
            DatabaseName         = 'AdventureWorks'
            Name                 = 'ReportViewer'
            MembersToInclude     = @('CONTOSO\Barbara', 'CONTOSO\Fred')
            Ensure               = 'Present'

            PsDscRunAsCredential = $SqlAdministratorCredential
        }
    }
}