====== Filter based on which user is logged in ======
The Session varibale UserID can be used to dynamically filter data in menus, lists, etc based on the user who is logged in.

In the where clause choose
  * Condition Type as Parameter (as opposed to Expression)
  * Field
    * Name Field = <the column name> e.g. member_user_id
    * Type = Integer
    * Format is left blank
  * Condition = <choose the correct one> e.g. =
  * Parameter
    * (1st box) UserID
    * Type = Session
    * Format is left blank
  * Choose option "Use Is Null Condition"
  * Condition = And