This function advises suggestive steps to use for the selected step.  

You must navigate to the Administration—Steps page and select a step from the list. Then, Select the View—Suggestive Steps Only menu option to initiate. 

The 'Suggestive Steps' functionality empowers you to select and display the configurable steps for the chosen step. These configured steps will be clearly displayed on the designer page.  Select and check the desired suggestive steps as shown below:

Now go to the process designer, select the “abort instance” step, and right-click on the step; the suggestive steps added in the above screenshot will be displayed as shown below: