How do I link spare part(s) to a task?

Right-click on a maintenance task and select  Edit task... 

 Go to the tab  Parts. 

 Click on  Select Part(s)... 

 

 Select the part(s) (you can select multiple parts using Ctrl or Shift). 

 

 Click on  Ok. 

 

 Enter the quantity of parts needed. When completing the task, the stock of the selected parts will be updated.