Join processoredit

Joins each element of an array into a single string using a separator character between each element. Throws an error when the field is not an array.

Table 27. Join Options

Name Required Default Description

field

yes

-

Field containing array values to join

separator

yes

-

The separator character

target_field

no

field

The field to assign the joined value to, by default field is updated in-place

description

no

-

Description of the processor. Useful for describing the purpose of the processor or its configuration.

if

no

-

Conditionally execute the processor. See Handling pipeline failures.

ignore_failure

no

false

Ignore failures for the processor. See Handling failures in pipelines.

on_failure

no

-

Handle failures for the processor. See Handling failures in pipelines.

tag

no

-

Identifier for the processor. Useful for debugging and metrics.

{
  "join": {
    "field": "joined_array_field",
    "separator": "-"
  }
}