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The meta library provides information about the running ruleset. The following are available (notice that these are values, not functions):

• meta:eci

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•  - the event channel identifier on which the current event was raised
• meta:

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• host - the public DNS name of the

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• machine running the engine, including port number
• meta:

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• inEvent - the public DNS name of the

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• machine running the engine, including port number
• meta:

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• inQuery - the public DNS name of the machine running the engine, including port number
• meta:picoId - the version of the currently running ruleset
• meta:

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• rid - the ruleset ID of the currently running ruleset

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• meta:ruleName

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•  - the name of the rule currently being evaluated
• meta:

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Notice that these are values, and not functions

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• meta:rid() - returns the ruleset ID of the current running ruleset.
• meta:version()-returns the version of the currently running ruleset.rulesetAuthor - the author from the meta section of the current ruleset
• meta:rulesetDescription - the description from the meta section of the current ruleset
• meta:rulesetName - the name from the meta section of the current ruleset
• meta:rulesetURI - the URL from which the currently running ruleset was registered/installed

The following are not yet ported from the classic engine:

• meta:callingRID() -  returns returns the RID of the calling ruleset if running in a module, or the current ruleset ID otherwise.
• meta:callingVersion() -  returns returns the version of the calling ruleset if running in a module, or the current ruleset version otherwise.
• meta:moduleRIDerrorCount() -  returns returns the RID of the module if running in a module, or the current ruleset ID otherwise.meta:moduleVersion()- returns the version of the module if running in a module, or the current ruleset version otherwisenumber of errors for current rule execution. Reset to 0 for each new rule execution.
• meta:inModule() -  returns returns a Boolean value indicating whether the current code is running in a module.
• meta:hostmoduleRID() - returns the hostname of the rules engine evaluating the ruleset. Note: this is the public name, not the individual machine name. 
• meta:rulesetName() - returns the name from the meta sections of the current ruleset
• meta:rulesetAuthor() - returns the author from the meta sections of the current ruleset
• meta:rulesetDescription() - returns the description  from the meta sections of the current ruleset
• meta:ruleName() - returns the names of the rule being evaluated. 
• meta:eci() - returns the event channel identifier on which the current event was raised
• meta:errorCount() - returns the number of errors for current rule execution. Reset to 0 for each new rule execution. 
• meta:txnId() - RID of the module if running in a module, or the current ruleset ID otherwise.
• meta:moduleVersion() - returns the version of the module if running in a module, or the current ruleset version otherwise.
• meta:txnId() - return the transaction ID for the current evaluation. This is mostly useful for debugging.
• meta:version() - returns the version of the currently running ruleset.

Note, in the case of meta:moduleRID(), meta:moduleVersion(), and meta:inModule(), care has been taken to preserve static behavior. So, for example, if you do the following, you should get the result you expect based on static function semantics:

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