# getPumpServiceTime

> Returns the total time in service, in minutes, of the pump unit identified by serial: the sum of the durations of every installation sharing that serial. An open installation counts up to now.

> **getPumpServiceTime**(`well`, `serial`, `now?`): `number`

Returns the total time in service, in minutes, of the pump unit identified
by `serial`: the sum of the durations of every installation sharing that
serial. An open installation counts up to `now`.

## Parameters

### well

`Well`

### serial

`string`

### now?

`Date` = `...`

## Returns

`number`