1cdf8355_s_of_a_Faceted_Navigation_OPAC__Logical_Rule
[Coded Action] Switch View [Explanation] Switches record view from brief to full, or vice versa [Logical Rule] 
If none of the previous conditions are met, view has value, and that value is different from previous view value.
The Code4Lib Journal – Extracting User Interaction Information from the Transaction Logs of a Faceted Navigation OPAC