The Built-in Field Types allow you to create fields of a common data type such as Date, Time, Number rather than defining them yourself as a custom Field Type. You should use built-in fields when possible given that they are optimized to understand this type of data.
|Built-in Field||Example input||Example output|
|Twilio.DATE||for December 14th please||2018-12-14|
|Twilio.TIME||at 7 pm please||19:00|
|Twilio.FIRST_NAME||my name is sam||Sam|
|Twilio.LAST_NAME||my last name is jackson||Jackson|
|Twilio.EMAIL||my email is firstname.lastname@example.orgemail@example.com|
|Twilio.MONTH||May is the best month of the year||5月|
|Twilio.DAY_OF_WEEK||today is tuesday||Tuesday|
|Twilio.US_STATE||Last state I visited was Alaska||Alaska|
|Twilio.COUNTRY||I live in France||フランス|
|Twilio.CITY||I live in Tokyo||Tokyo|
|Twilio.COUNTRY_ISO_ALPHA2||I'm going to Spain for Christmas||ES|
|Twilio.COUNTRY_ISO_ALPHA3||I'm going to Spain for Christmas||ESP|
|Twilio.LANGUAGE||I speak spanish||Spanish|
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