 As such, the retreat is a four-day, three-night (or three-day, two-night in some cases) residential retreat, with the aim of providing participants the chance to "contemplate God's role in their lives".It was first held in 1965, and under its current name since 1979.It is conceptually based in Ignatian spirituality, as put forth in the Spiritual Exercises of St. Ignatius Loyola.