Widget Properties
Set Widget Property
Publish topic ds/DATASTREAM/prop/PROPERTY, payload: value in plain text (i.e. 123, hello)
DATASTREAM- the datastream namePROPERTY- the property name
For multivalue (array-like) values, the individual items in the payload are separated using a 0x00 byte, i.e: First\u0000Second\u0000Third. The separator is a NUL character, that is also represented as \u0000 in Unicode.
Erase Widget Property
Publish topic ds/DATASTREAM/prop/PROPERTY/erase, payload: empty
DATASTREAM- the datastream namePROPERTY- the property name
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