Rock.Web.UI.Controls.MergeFieldPicker.GetPrefixedMergeFieldIds C# (CSharp) Method

        private List<string> GetPrefixedMergeFieldIds()
        {
            var prefixedMergeFieldIds = new List<string>();

            foreach ( string mergefield in MergeFields )
            {
                string[] parts = mergefield.Split( '|' );
                if ( parts.Length > 2 )
                {
                    prefixedMergeFieldIds.Add( parts[2] + "|" + parts[0] );
                }
            }

            return prefixedMergeFieldIds;
        }