This image shows the Property Inspector for the transform activity. On the left are the General, Transformation (selected), Annotations, Documentation, Skip Condition, Targets, and Sources tabs. On the right is the Sources section. Five icons and a help icon are displayed in the upper right corner. The Sources activity includes a table with columns for Variable and Part. Below this is the Target Variable field, with a Browse icon to the right. Below this is the Target Part section. Below this is the Mapper File field, with Browse, Add, and Edit icons to the right. An Apply button is displayed below these icons.