User description of field, undefined if there is none.
fieldId
fieldId:string
returns
The unique representation of the field across all data sources in the workbook. In summary data, this includes aggregation.
Note that the fieldId could change if you change the data source.
For example after replacing the data source [Clipboard_20210305T164000].[sum:Sales:qk] could become
[federated.12usuoq1171o1b1ebdyh60fjnev1].[sum:Sales:qk].
isCalculatedField
isCalculatedField:boolean
returns
True if this field is a table calculation.
isCombinedField
isCombinedField:boolean
returns
True if this field is a combination of multiple fields, false otherwise.
isGenerated
isGenerated:boolean
returns
True if this field is generated by Tableau, false otherwise.
Tableau generates a number of fields for a data source, such as Number
of Records, or Measure Values. This property can be used to
distinguish between those fields and fields that come from the underlying
data connection, or were created by a user.
isGeospatial
isGeospatial:boolean
returns
True if this role has a semantic type of geospatial: e.g latitude, longitude, zipcode, City name...
isHidden
isHidden:boolean
returns
True if this field is hidden, false otherwise.
isPresentOnPublishedDatasource
isPresentOnPublishedDatasource:boolean
returns
True if this field comes from the published datasource. False if it was created in Tableau (as a calculated field, for example).