This is example is for enchanter checking another toon for rune:
/dobserve ToonName -q "Me.Buff[Horrendous Rune Rk. II].ID"
then to check it:
/if (${Group.MainTank.Distance}<70 && !${Group.MainTank.Moving} && !${DanNet[ToonName].O["Me.Buff[Horrendous Rune Rk. II].ID"]})