# And Engine

An `And` ESP task compares two tracks to identify events in the second track that occur within a specific time interval of events in the first track (before and/or after the first track's event). The engine produces a track containing the identified record pairs.

Configuration Parameter | Description
--- | ---
Input0 | The first input track.
Input1 | The second input track.
LuaScript | The path of a Lua script that defines conditions that a record pair must meet in order to be included in the output track.
MaxTimeInterval | (Deprecated) The maximum interval from a record in the first track to a record in the second track, for the two records to be considered a pair.
MinTimeInterval | (Deprecated) The minimum interval from a record in the first track to a record in the second track, for the two records to be considered a pair.
TimestampCondition | Specifies time limits for matching records, based on the record timestamps.
Type | The type of ESP engine to use. Set this parameter to `And`.

## Output Tracks

This engine produces a single output track, named `TaskName.Output`.

Field name | Type | Description
--- | --- | ---
`record0` | Record | The record from the first input track (Input0)
`record1` | Record | The record from the second input track (Input1)

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