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Label and Name: not used by CDP4S, set these for your own internal identification.
Guest Field: references the property in the Sitecore CDP JSON Guest object. Note this allows complex nesting.
Salesforce Field: the API name of the field on the Lead Guest or Contact master object in Salesforce.
Mapping Type: determines the function of the mapping as below.
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Identity is a special type that indicates the value should be used to locate an existing Lead or Contactobject. An error will occur if this property has no value.
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You may create multiple mappings for the same field if required to achieve the desired results.
Object types
The mappings always apply to the object type inferred by the Master Lookup Field setting, which may be a Lead, Contact, any other standard or custom object, or Sitecore_CDP_Guest__c if none specified.
Fields that do not exist on the target object will be ignored, except in the case of Identity mappings.