Specifies which items in the input events and master data are to be output.
The format used for output item is shown below.
Describe an item reference in accordance with the event type format.
Describe a master item reference in which a master ID and item name are combined.
This function returns the sum of the master item contents that results from joining to one master file.
The format used for lookup_sum() function specified in the output expression is shown below.
This function returns the master item count that results from joining to one master file.
The format used for lookup_count() function specified in the output expression is shown below.
Note
If the lookup_sum() function or the lookup_count() function is specified for an output item, a property alias must be specified after the output item.
See
Refer to "2.8.4.2 lookup_sum() Function" for details.
Refer to "2.8.4.3 lookup_count() Function" for details.