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:documentationPath: /pipeline/transforms/
:language: en_US
:description: (not used directly )

=== Fields

You can specify what fields to insert into your Salesforce database through the Fields table.
Click Get fields to populate the table with input from the Hop data stream.

The table contains the following columns:

[options="header"]
|===
|Option|Description
|Module field|The name of the field within the Module
|Stream field|The name of the field in the Hop data stream
|Use External id? a|The flag indicating if the field links to an external ID.
To resolve the ID, Salesforce needs the object type, column name, and relationship name in the following syntax: +

[source,shell]
Object name:column name/relationship

|===

Optionally, click Edit mapping to specify custom mapping.
For example, you can map a single Hop field to multiple Salesforce fields.
