# Entity Field Types

> Entity field types available in Data Service, including Text, Number, Date-Time, Choice Set, Relationship, File, and Auto-number.

Data Service enables you to define rich metadata, such as attributes and relationships by defining fields for entities.

The fields of an entity can be of the following types.

* [Text](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/text#text)
* [Multi-line Text](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/multi-line-text#multi-line-text)
* [Number](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/number#number)
* [Yes/No](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/yesno#yes%2Fno)
* [Date-Time](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/date-time#date-time)
* [Relationship](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/relationship#relationship)
* [Auto-number](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/auto-number#auto-number)
* [Choice Set](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/choice-set#choice-set)
* [File](https://docs.uipath.com/data-service/automation-suite/2.2510/user-guide/file#file) This guide describes the different details that are required for each field type.