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# TruClient - Web Vuser asynchronous functions

The following Vuser functions are available:

Function | Description
--- | ---
TCA.addNetworkFilter | Adds a filter for URL requests.
TCA.advanceParam | Advances the specified parameter to the next value in the file.
TCA.clearNetworkFilters | Removes all URL request filters.
TCA.crossTransactionEnd | Ends a transaction in a Vuser script that has been started in another Vuser script.
TCA.crossTransactionStart | Begins a transaction in a Vuser script that will be ended in another Vuser script.
TCA.endTransaction | Ends a transaction.
TCA.evalC | Runs a specific function in C language.
TCA.getParam | Returns the value of the specified parameter.
TCA.getUserIP | Returns the IP address when IP spoofing is enabled, and the script is running in load mode in Controller.
TCA.log | Logs a message as a line in the interactive/load log.
TCA.outputMessage | Logs a Standard log level message in the interactive/load log message, and a notification in the Controller Output window.
TCA.restoreLogLevel | Restores the log level to the initial setting.
TCA.setLogLevel | Enables you to change the log level during script replay.
TCA.setParam | Saves a string to a parameter, creating a temporary parameter value in the memory.
TCA.setTransactionStatus | Sets the default end status of open transactions.
TCA.setTransactionStatusByName | Sets the default end status of a single open transaction by the transaction name.
TCA.startLogRequests | Starts logging of URL requests.
TCA.startTransaction | Starts a transaction.
TCA.stopLogRequests | Stops logging URL requests.
TCA.transactionDuration | Returns the duration of a specific transaction.
TCA.unmask | Returns the text after unmasking.
TCA.userDataPoint | Records a user-defined data point for analysis.
TCA.vuserStatusMessage | Indicates which Vuser is handling a specific script.

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