# Class: QueryConfig

## LiveView.AlertRule. QueryConfig

#### new LiveView.AlertRule.QueryConfig(settings)

  Contains fields that determine when an AlertRule should trigger.

  Name | Type | Description
  --- | --- | ---
  `settings` | Object | optional An object containing initial values for the new QueryConfig instance.
  Name | Type | Description
  --- | --- | ---
  `predicate` | String | optional The predicate of the query that will execute to determine whether or not to trigger this AlertRule. The predicate can be thought of as the condition under which the AlertRule should fire. The format should follow the LiveQL specification. An example predicate might be: "category='toy' and quantityRemaining < 40".
  `projection` | String | optional The projection of the query will execute to determine in the case of an aggregate query to determine the aggregate condition.
  `predicateDelayInMillis` | Number | optional The predicate delay time specifies how long the predicate condition must be true before triggering the AlertRule.
  `queryType` | String | optional Indicates what type of query will be executed to evaluate the AlertRule condition. Possible values include: SNAPSHOT, SNAPSHOT_AND_CONTINUOUS, CONTINUOUS, and DELETE.
  `table` | String | optional The name of the LiveView table that the AlertRule will be monitoring.

### Members

#### predicateString

  The predicate of the query that will execute to determine whether or not to trigger this AlertRule. The predicate can be thought of as the condition under which the AlertRule should fire. The format should follow the LiveQL specification. An example predicate might be: "category='toy' and quantityRemaining < 40".

#### projectionString

  The projection of the query will execute in the case of an aggregate query to determine the aggregate condition.

#### predicateDelayInMillisNumber

  The predicate delay time specifies how long the predicate condition must be true before triggering the AlertRule.

#### queryTypeString

  Indicates what type of query will be executed to evaluate the AlertRule condition. Possible values include: SNAPSHOT, SNAPSHOT_AND_CONTINUOUS, CONTINUOUS, and DELETE.

#### tableString

  The name of the LiveView table that the AlertRule will be monitoring.