While an empty level for a topic is valid in the MQTT standard, this is not allowed by Astarte.
However, an empty level could occur when substituting a parameter with an empty string.
It should be specified in the documentation that a parameter can't have length zero.
While an empty level for a topic is valid in the MQTT standard, this is not allowed by Astarte. However, an empty level could occur when substituting a parameter with an empty string. It should be specified in the documentation that a parameter can't have length zero.