9af2801b_way___Zato_2_0_5_documentation__Notes
[Variable] Is it reusable? [Notes] 
No, not really. Although it does allow for creating higher-level constructs, such as statistics for a whole year, it’s clear that there won’t be much need for it in 2018.
What ESB and SOA are anyway — Zato 2.0.5 documentation
Notes