====AmountLagQuery====

This is a function of the [[class_LagCorrectedQuery|LagCorrectedQuery]] class.

===Description===

This sets up the //source of lag// for the query. In this case, the query will usually return a single point, which is usually some form of **counter** or **totaliser**.

===Parameters===

^Parameter^Type^Meaning^
|name|string|The name of the index in the final data-frame returned by [[lcq_Execute|Execute]]|
|query|string|An AQL query that returns a single analogue channel of data|

===Returns===

Nothing

===Usage===

The **name** normally describes what the point (returned from running the **query**) represents.

If the point is a //odometer// (reading distance), the name could be 'meters' or 'distance'.

If the point is a //flowmeter//, the name could me 'litres' or 'gallons'.