This is a song with a text specific to the dismissal of the catechumens. It is by John W Kerns and the music is lovely, which makes it’s particularity rather a pity.
The first line is generic enough – In the peace of Christ we send you forth to reflect upon God’s word – and would have a lot of uses. However the second line – till the Easter tidings call you forth to the table of the Lord – well, that is pretty specific to this liturgical event. Maybe it would just need some rejigging for more general use.