void main()
{
    effect eEffect;

    // Get the PC who is in this conversation.
    object oPC = GetPCSpeaker();

    // If a fortitude saving throw is successful.
    if ( FortitudeSave(oPC, 12, SAVING_THROW_TYPE_POISON) )
    {
        // Apply an effect.
        eEffect = SupernaturalEffect(EffectPoison(50)); //:: Strissic Extract
        ApplyEffectToObject(DURATION_TYPE_PERMANENT, eEffect, oPC);
    }
}