> For the complete documentation index, see [llms.txt](https://docs.smt-x.com/smtx-online-documentation/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.smt-x.com/smtx-online-documentation/catalog/catalog-maintenance/add-a-field-to-a-template/field-types.md).

# Field types

The following field types are available to collect data in a service

![](https://830009223-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXCmB1C0E7jaoFbPx2p%2F-MXHezXRVzg-7F3tKxMP%2F-MXHf89sMuGXDs2QQm6p%2Fimage.png?alt=media\&token=3ca5e178-677f-4dbf-80f2-5b12f0f891a8)

Fields of the type list provide users the possibility to select a value from a selection list. Use datastores defined in SSP to define the contents in the lists.

![Lists get sources from datastore](https://830009223-files.gitbook.io/~/files/v0/b/gitbook-legacy-files/o/assets%2F-MXCmB1C0E7jaoFbPx2p%2F-MXHezXRVzg-7F3tKxMP%2F-MXHfXvR36SP5bnRaTmi%2Fimage.png?alt=media\&token=e759ed75-5056-4f13-bf37-58facb2c7b6e)

Select the datastore parameter that is used to provide content to the list. Select the field to define which column of the parameter is displayed in the list.