This class definition addresses the response DB. It is instantiated and used 3 times during the eis_mk_plan process. It takes as inputs "tlc" and "triggers". The former is an object container (IDL_container) consisting of the timeline DB entries of the selected plan. The latter is a structure array, created by the method "eis_timeline_container::detect_trigger_studies" - one entry for each TL entry which is a hunter study. 1. When clicking the "Check Trigger/Response Properties". This is purely for testing that the parameters are valid before proceeding with CPT 2. CPT - both gui and command-line versions.