# \#link-field
**URL:** https://forum.kintone.dev/tag/link-field/44.md
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## [Field Types in Kintone](https://forum.kintone.dev/t/field-types-in-kintone/627)
**Author:** [@Genji](https://forum.kintone.dev/u/Genji)\
**Replies:** 0\
**Last updated:** [October 7, 2022, 5:02am UTC](https://forum.kintone.dev/t/field-types-in-kintone/627 "2022-10-07T05:02:33Z")
List of Field Types in Kintone Here is a table of all the field types available in a Kintone App with their corresponding help documentation and related forum posts. Category Field Type's Help Doc Related Forum Post…
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## [How to format a phone number in a Link field?](https://forum.kintone.dev/t/how-to-format-a-phone-number-in-a-link-field/673)
**Author:** [@dlively](https://forum.kintone.dev/u/dlively)\
**Replies:** 2\
**Last updated:** [November 29, 2022, 4:46pm UTC](https://forum.kintone.dev/t/how-to-format-a-phone-number-in-a-link-field/673 "2022-11-29T16:46:00Z")
Is there a way to put an input mask for a phone number in the Link field that will automatically format the field with parentheses and a hyphen? Example: (123)456-7890 Thank you, Donna
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## [Prevent users from entering duplicate values with Prohibit Duplicate Values Fields' Settings](https://forum.kintone.dev/t/prevent-users-from-entering-duplicate-values-with-prohibit-duplicate-values-fields-settings/625)
**Author:** [@Genji](https://forum.kintone.dev/u/Genji)\
**Replies:** 0\
**Last updated:** [October 6, 2022, 5:56am UTC](https://forum.kintone.dev/t/prevent-users-from-entering-duplicate-values-with-prohibit-duplicate-values-fields-settings/625 "2022-10-06T05:56:33Z")
Prevent Duplicate Values with Field Settings An easy way to prevent users from entering the same values in a Kintone App is to use the Prohibit duplicate values setting. Fields with Prohibit duplicate values setting The…