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Required: The percentage field can be set as required
Unique: The percentage field can be set as unique
Default Country Code: A default country code is a picklist where a user can select a country code
Allow Extension: To be confirmedAllow extension is a check box type of field if allow extension check box is true then the user can give a extension for phone number
For example: Phone No: 7218059498 Extension: 000 Listview: 7218059498;000
Help Text: User can enter help text for phone field
Description: User can enter description for phone field