apoc.trigger.install

Procedure APOC Core

CALL apoc.trigger.install(databaseName, name, statement, selector, config) | eventually adds a trigger for a given database which is invoked when a successful transaction occurs.

Signature

apoc.trigger.install(databaseName :: STRING?, name :: STRING?, statement :: STRING?, selector :: MAP?, config = {} :: MAP?) :: (name :: STRING?, query :: STRING?, selector :: MAP?, params :: MAP?, installed :: BOOLEAN?, paused :: BOOLEAN?)

Input parameters

Name Type Default

databaseName

STRING?

null

name

STRING?

null

statement

STRING?

null

selector

MAP?

null

config

MAP?

{}

Output parameters

Name Type

name

STRING?

query

STRING?

selector

MAP?

params

MAP?

installed

BOOLEAN?

paused

BOOLEAN?

Enable Triggers

By default triggers are disabled. We can enable them by setting the following property in apoc.conf:

apoc.conf
apoc.trigger.enabled=true
apoc.trigger.refresh=60000
Table 1. Description
Option Key Value Description

apoc.trigger.enabled

true/false, default false

Enable/Disable the feature

apoc.trigger.refresh

number, default 60000

Interval in ms after which a replication check is triggered across all cluster nodes

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