LR Functions in Load runner with Examples.

LR Functions in Loadrunner with Examples.

lr_abort	Stops the script execution.
lr_advance_param	It will take the next value in the parameter list.
lr_continue_on_error	Continue on error even if the request is failed.
lr_convert_string_encoding	Converts a string to a UTF 8 or Unicode.
lr_db_dataset_action	Validates database contents by setting checkpoints.
lr_db_connect	Connects to a database.
lr_db_dataset_action	Performs an action on a dataset.
lr_db_disconnect	Disconnects from a database.
lr_db_executeSQLStatement	Submits an SQL statement to a database.
lr_checkpoint	Validates the value of a parameter against an expected value (checkpoint).
lr_db_getValue	Retrieves a value from a dataset.
lr_debug_message	Sends a debug message to the LoadRunner output or Application Management agent log file.
lr_decrypt	Decrypts an encoded string.
lr_disable_ip_spoofing	Disables IP Spoofing.
lr_enable_ip_spoofing	Enables IP Spoofing.
lr_end_sub_transaction	Marks the end of a sub-transaction.
lr_end_transaction	Marks the end of a LoadRunner transaction.
lr_end_transaction_instance	Marks the end of a transaction instance.
lr_end_timer	Marks the end of a sub-transaction.
lr_error_message	Sends an error message to theLoadRunner output or Application Management agent log file..
lr_eval_string	Replaces a parameter with its current value.
lr_eval_string_ext	Creates a buffer and assigns it the input string after evaluating embedded parameters.
lr_eval_string_ext_free	Frees the buffer allocated by lr_eval_string_ext.
lr_exit	Exits from the script, action, or iteration.
lr_fail_trans_with_error	Sets the status of open transactions to LR_FAIL and sends an error message.
lr_get_attrib_double	Returns the value of a double type command line parameter.
lr_get_attrib_long	Returns the value of a long integer type command line parameter.
lr_get_attrib_string	Returns a command line parameter string.
lr_get_debug_message	Returns the current message logging settings.
lr_get_host_name	Returns the name of the host executing the script.
lr_get_master_host_name	Returns the name of the machine running the LoadRunner Controller.
lr_get_transaction_duration	Gets the duration of a transaction by its name.
lr_get_transaction_status	Gets the current status of a transaction.
lr_get_trans_instance_duration	Returns the duration of a transaction by its name.
lr_get_trans_instance_status	Returns the current status of a transaction instance.
lr_get_trans_instance_think_time	Gets the think time of a transaction instance specified by its handle.
lr_get_trans_instance_wasted_time	Gets the wasted time of a transaction instance by its handle.
lr_get_transaction_think_time	Gets the think time of a transaction by its name.
lr_get_transaction_wasted_time	Gets the wasted time of a LaoadRunner transaction by its name.
lr_get_vuser_ip	Returns the IP address of the current Vuser. Not applicable for products that do not run Vusers.
lr_load_dll	Loads an external DLL.
lr_log_message	Sends a message to the Vuser log file.
lr_message	Sends a message to the output and log file.
lr_output_message	Sends a message to the output and log file with location information.
lr_next_row	Advances to the next row in the parameter data file.
lr_param_increment	Increments the value of a numerical parameter
lr_param_sprintf	Writes formatted output to a parameter.
lr_param_unique	Generates a unique string and assigns it to a parameter.
lr_paramarr_idx	Returns the value of the parameter at a specified location in a parameter array.
lr_paramarr_len	Returns the number of elements in a parameter array.
lr_paramarr_random	Returns the value of the parameter at a random location in a parameter array
lr_peek_events	Checks for events.
lr_rendezvous	Creates a rendezvous point in the Vuser script.
lr_rendezvous_ex	Sets a rendezvous point in a Vuser script.
lr_resume_transaction	Resumes the collection of transaction data.
lr_resume_transaction_instance	Resumes collecting transaction instance data.
lr_save_datetime	Saves the date and time into a parameter.
lr_save_int	Saves an integer to a parameter.
lr_save_searched_string	Searches for an occurrence of a string in a buffer and saves a portion of the buffer after that string to a parameter
lr_save_string	Saves a null-terminated string as a parameter.
lr_save_var	Saves a variable length string as a parameter.
lr_set_debug_message	Sets a message class for output messages.
lr_set_transaction	Create a transaction manually.
lr_set_transaction_instance_status	Sets the status of a transaction instance.
lr_set_transaction_instance_status	Sets the status of a transaction instance.
lr_set_transaction_status	Sets the status of open transactions.
lr_set_transaction_status_by_name	Sets the status of a transaction by its name.
lr_start_transaction	Marks the start of a transaction and measures the response time of a transaction
lr_start_transaction_instance	Marks the beginning of a transaction instance
lr_start_sub_transaction	Marks the beginning of a sub-transaction.
lr_stop_transaction	Halts the collection of transaction data.
lr_stop_transaction_instance	Stops collecting data for a transaction instance specified by its handle.
lr_think_time	Pauses execution between commands in a script.
lr_user_data_point	Records a user-defined data sample.
lr_user_data_point_ex	Records a user-defined data sample.
lr_user_data_point_instance	Records a user-defined data sample and correlates it to a transaction instance.
lr_user_data_point_instance_ex	Records a user-defined data sample and correlates it to a transaction instance.
lr_vuser_status_message	Sends a message to the Vuser status area in the Controller.
lr_wasted_time	Removes wasted time from all open transactions.
lr_whoami	Returns information about a Vuser executing the script