Defining key or critical position for multiple positions Sign in as Administrator or Generalist. Select Succession > Manage Positions. Select the positions to define as key or critical. Select Actions > Update Key or Critical. Select the Key Position check box, the Critical Position check box, or both. Optionally, for each check box you select, select a Reason. Click OK. Note: The values on every selected position are used. If a field is blank it is blank on the position.