Retrieves the list of Site Catalyst Variables (Load Event or Click Event).

Example:
| ${actualValuesList}= | Get List Of Site Catalyst Variables |

Below are some site catalyst variables that can be retrieved.

Omniture Variables / General / Site Content (channel, events, page name, link name, traffic source, referrer ...)
| ch events h1 pageName pev2 server

Custom Traffic Variables (prop1, prop2, ...)
| c1 c2 c3 c4 c13 c17 c18

Conversion Variables (eVar1, eVar2, ...)
| v1 v2 v3 v4 v27 v30 v32
