ImportDefinitionFieldMappingType

The strategies for mapping columns in an import file to fields in a data extension or list.

Name	Description
`InferFromColumnHeadings`	Indicates that during the import, Marketing Cloud Engagement matches field headings in the import file to the data extension fields based on similarities in the text and values.
`ManualMap`	Indicates that all relationships between fields in an import file and a data extension are explicitly stated in the API call.
`MapByOrdinal`	Indicates that during the import, Marketing Cloud Engagement maps fields from an import field to the data extension by their position in the file. Use a 0-based ordinal when importing to a subscriber list, and use a 1-based ordinal when importing to a data extension.