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Effective in version 10.2.2 Service Pack 1, you can use the TIME_RANGE function in a Joiner transformation that determines the time range for the streaming events to be joined.
The TIME_RANGE function is applicable only for a Joiner transformation in a streaming mapping.
Syntax
TIME_RANGE(EventTime1,EventTime2,Format,Interval)
For more information about the TIME_RANGE function, see the
Informatica 10.2.2 Service Pack 1 Transformation Language Reference