World Day of Prayer for the Missions (Mission Sunday) is on Sunday 19 October and this year's theme is Missionaries of Hope Among All Peoples.
Archbishop Cushley asks us to keep the missionary church in our prayers and do what we can to support the work of Missio Scotland.
He previously said: "Supporting Missio is doing what the Lord asks us to do.
"We see it at the end of the synoptic gospels where the Lord sends out his apostles and disciples - and that means you and me by extension.
"There is a part of all of us that ought to have a missionary spirit, and we ought to have, somewhere deep down, a missionary heart."
The focus country for projects being supported by Missio Scotland this year is Bolivia.
Missio established links with the country thanks to Fr Dominic Quinn, who spent a few years on mission there and helped the charity establish links.
A special collection will take place at Mass for the work of the propagation of the faith on the weekend of 18/19 October, with all money going directly to Missio Scotland. Donate online here. Archbishop Cushley is Bishop President of Missio Scotland.