A guide to understanding 'Persistent Context'

[Paul-Reed]

In case it helps anyone, here is a link to a useful example by @Steve-Mcl
Also read down that thread to find out about saving a context object by 'reference'

Saving a single value to context

{ "192.168.1.10": { "last_on": 1622751269764, "last_off": 1622751272068 }, "192.16.1.13": { "last_on": 1622751772269, "last_off": 1622751774284 } } Working demo updating the values of the objects properties... [{"id":"4d40b13c.c8309","type":"function","z":"1bd2b382.4dd4f4","name":"setup demo data","func":"msg.payload = {\n \"192.168.1.10\": {\n \"last_on\": 1622751269764,\n \"last_off\": 1622751272068\n },\n \"192.16.1.13\": {\n \"las…