Filter
Keep the rows a condition matches; values may read {{params.*}}.
Keeps the rows where matches. The condition tree nests and/or groups, and any value in it may be {{params.*}}, which is what makes one Filter serve a dashboard whose viewer chooses the threshold.
At a glance
Module type
Filter
Category
Primitives · Dataframe
Default tier
reactive
Runs on
reactive, durable
Starts a flow
no
Holds a body
no
Keeps state between runs
no
Available in
every application type
Parameters
where
ConditionNode | null · required · defaults to null
The condition tree a row must satisfy; any value in it may be {{params.*}}.
Inputs
on
event
no
Implicit on every module that does not itself start a flow: wire an event here to make this module the start of what that event runs.
data
dataframe
yes
The frame to work on.
params
json
no
Run parameters; {{params.*}} in this module's settings reads from here.
Outputs
output
dataframe
dataframe, signal
The rows that matched, in their original order.
Last updated