Change Step Activity is used to change the step of the activity.
You can view a new Step Activity named as Change Step Activity added under Toolbox Section. You can drag and drop the change step activity as displayed in the below screen. You can set the Properties for Change Step Activity from the right panel of the screen.
Default Target Step: This is a mandatory property and it will be used in the case when variable target step is not specified. This is a drop down list and here you can specify the default target step that the item should move to.
Variable Target Step: This is an optional property. Here you are allowed to enter the values and use profile or global variables to specify the target step value.
Target Owner: This is a mandatory property. It is used to specify the owner of the workflow item in the target step. Click here to get more details.