Building Mapper Logic

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Building Mapper Logic

When making edits in a workshop, you can manually edit the Mapper logic. Lume supports the following manual edits:

• One-to-One
• Default
• Lookup Table
• Aggregate

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Structuring the Mapper Logic

To make manual edits, submit the edits to the mapper property in Run Workshop. Learn more in the Edit Mapper Guide.

Edits are made on a per target property basis. The manual edit payload is a list of objects, each with two parent keys:

1. targetField: The target field the mapping edit will be applied to.
2. transformation: The transformation to be applied to this target field.

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Transformation Types

• One-to-One Extract
• Default
• Lookup Table
• Aggregate

// One-to-One Primitive Extract
{
    "targetField": "internal_id",
    "transformation": {
        "extract": "id"
    }
}

// Array Extract
{
    "targetField": "internal_ids[*].id",
    "transformation": {
        "extract": "ids[*]",
        "default": null
    }
}