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(1) Current. The TQLEngine maintains the latest versions of any attribute values and attribute known values based on the model definitions. For example, the latest reading of a temperature sensor value. TQL queries always return those latest versions.
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(3) Actionable. Modifications of model data via TQL queries, if involving actionable attributes, can result in activation of actions, some of which may subsequently execute device actuations.
In addition, although Each model attribute has both a value and a known value. Although you can "FIND" both values and known values of model attributes, you will not be able to set their can only set values but not known values from queries. This is because the known values are reserved to be updated only updated by the result of Actions, which comes from external systems or external things.
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