Catechism of the Catholic Church
a, b, c, and d. Para. 1687: The greeting of the community. A greeting of faith begins the celebration. Relatives and friends of the deceased are welcomed with a word of "consolation" [in the New Testament sense of the Holy Spirit's power in hope](Cf. 1 Thes 4:18). . . .
Para. 1688: The liturgy of the Word during funerals demands very careful preparation because the assembly present for the funeral may include some faithful who rarely attend the liturgy, and friends of the deceased who are not Christians. . . .
Para. 1689: The Eucharistic Sacrifice. When the celebration takes place in church, the Eucharist is the heart of the Paschal reality of Christian death (Cf. OCF 1). . . .
Para. 1690: A farewell to the deceased is his final "commendation to God" by the Church. . . .