Segment applies formatting to User Data Parameters as follows:

| User Data Field| Formatting applied to field value before hashing|

|-------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------------------------------------------|

| External ID, Email, Gender, Last Name, First Name, City, State, Zip Code, Country| All whitespace is removed from string, set to lowercase.|

| Phone| All non-numeric characters are removed from string.|

| Gender| A string of 'male' will be transformed to 'm', and 'female' to 'f'.|

| Date of Birth| No formatting is applied.|

| State| Compared against a Map object of states and their two-character ANSI abbreviation code. Example: "Texas", "TX", or "tx" in this field will be formatted as "tx".|

| Country| Compared against a Map object of countries and their two-letter ISO 3166-1 alpha-2 country codes.|

| User Data Field| Formatting applied to field value before hashing|

|-----------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| External ID| All whitespace is removed from string, set to lowercase.|

| Email| All whitespace is removed from string, set to lowercase.|

| First Name, Last Name| All whitespace is removed from string, set to lowercase.|

| Gender| All whitespace is removed from string, set to lowercase. "male" is set to "m", "female" is set to "f".|

| Date of Birth| No formatting is applied.|

| Phone| All whitespace is removed from string.|

| Zip Code| All whitespace is removed from string.|

| State| All whitespace is removed from string and the result is compared against a map object of states and their two-character ANSI abbreviation code. Example: "Texas", "TX", or "tx" in this field will be formatted as "tx".|

| Country| All whitespace is removed from string and the result is compared against a map object of countries and their two-letter ISO 3166-1 alpha-2 country code. Example: "Germany", "germany", or "de" will be formatted as "de".|