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AWS Injector supports custom tag properties to enable certain features. Creating custom properties on MQTT tags is a simple process and is no different than custom properties on any other Ignition tag (as documented here).
A refresh of the AWS Injector will be required after any custom tag property is added, removed or updated
Custom Tag Properties
ExcludeFromPayload
Name: ExcludeFromPayload
Type: Boolean
Action: Controls whether or not a tag is included in the AWS JSON message payloads.
Prior to v4.0.16, UDTs are not supported.
From v4.0.16 onward when applied to a UDT Definition, the UDT definition will not be added to the NBIRTH payload. If a nested UDT definition has the 'ExcludeFromPayload' property is set to 'true', the parent UDT will also be excluded from payload.
TagEventTracer
Name: TagEventTracer
Type: Boolean
Action: Controls whether or not a tag event tracing is generated for this tag.
- Logs the timestamp (human readable and ms since epoch) and value when the BIRTH is built
- Logs a timestamp (human readable and ms since epoch) and every time that tag changes and its value
- Log a timestamp and value when a metric push happens
Available in release 4.0.17 or greater
Applying this custom parameter to multiple tags can result in significant system performance issues
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