Question

In Security Tab of Activity Ruleform, there are Validate and Assembler options available for Usage Dropdown, but in Help it is marked as "Do not choose Validate or Assembler for this field." What these options does? & why it should not be chosen?
In Security Tab of Activity Ruleform, there are Validate and Assembler options available for Usage Dropdown, but in Help it is marked as "Do not choose Validate or Assembler for this field." What these options does? & why it should not be chosen?
***Edited by Moderator, Maryrita: Moved to Product Support from Lead System Architect***