transform_resource_lookup.md

transform_resource_lookup

Type: Transform

Enriches items by looking up values from a named resource.

Parameters

Name	Type	Required	Default	Description
lookup_key	string	Yes	-	Item field whose value is used as the lookup key.
output_field	string	Yes	-	Item field to write the looked-up value to.
resource_name	string	Yes	-	Name of the resource to read.
default_value	any	No	-	Value to use when the key is not found. Missing keys are skipped if unset.

Metadata Contract

Field	Typical Usage
CommonInput	-
CommonOutput	-
ItemInput	[<lookup_key>]
ItemOutput	[<output_field>]

DSL Usage

flow.transform_resource_lookup(
    lookup_key=...,
    output_field=...,
    resource_name=...,
    default_value=...,
    common_input=[...],
    item_input=[...],
    item_output=[...],
)