Field map script variables

reference australia Updated Sep 10, 2026 1 min read r_FieldMapScriptVars.md

Several predefined variables are available in the Source script field.

Variable	Type	Description
source	GlideRecord	The record from the source table that is currently being processed.
target	GlideRecord	The record from the target table that is currently being processed.
answer	String	The field value to set in the target record.
map	GlideTransformMap	Read-only information about the current transform map record.
log	Function	The log object for the current import run. Use this object to log messages such as `log.info("<Message>")` or `log.warn("<Message>")`. This object logs to the import log for standard import sets, or other log locations as required, such as for web service imports.
action	String	Contains either the value insert or update, depending on whether the current target row will be created or updated.Note: The action variable is available only when the Coalesce field is false.

**Parent Topic:**[Importing data using import sets](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/integrate-applications/system-import-sets/c_ImportDataUsingImportSets.md)

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---
title: Field map script variables
description: Several predefined variables are available in the Source script field.
locale: en-US
canonical_url: https://www.servicenow.com/docs/r/australia/integrate-applications/system-import-sets/r\_FieldMapScriptVars.html
release: australia
product: System Import Sets
classification: system-import-sets
topic_type: reference
last_updated: "2026-09-10"
reading_time_minutes: 1
breadcrumb: [Importing data using import sets, Import sets, Imports, Workflow Data Fabric]
---

# Field map script variables

Several predefined variables are available in the **Source script** field.

<table id="table_sly_ybg_r5"><thead><tr><th>

Variable

</th><th>

Type

</th><th>

Description

</th></tr></thead><tbody><tr><td>

source

</td><td>

GlideRecord

</td><td>

The record from the source table that is currently being processed.

</td></tr><tr><td>

target

</td><td>

GlideRecord

</td><td>

The record from the target table that is currently being processed.

</td></tr><tr><td>

answer

</td><td>

String

</td><td>

The field value to set in the target record.

</td></tr><tr><td>

map

</td><td>

GlideTransformMap

</td><td>

Read-only information about the current transform map record.

</td></tr><tr><td>

log

</td><td>

Function

</td><td>

The log object for the current import run. Use this object to log messages such as `log.info("<Message>")` or `log.warn("<Message>")`. This object logs to the import log for standard import sets, or other log locations as required, such as for web service imports.

</td></tr><tr><td>

action

</td><td>

String

</td><td>

Contains either the value **insert** or **update**, depending on whether the current target row will be created or updated.**Note:** The *action* variable is available only when the **Coalesce** field is **false**.

</td></tr></tbody>
</table>**Parent Topic:**[Importing data using import sets](https://raw.githubusercontent.com/ServiceNow/ServiceNowDocs/australia/markdown/australia/integrate-applications/system-import-sets/c_ImportDataUsingImportSets.md)