Here's the docs...
getChoices
Retrieves the choice list for a field
getCurrencyCode
Gets the currency ISO code for a record
getCurrencyDisplayValue
Gets the currency display value
getCurrencyString
Gets currency in a string
getCurrencyValue
Gets a currency value
getDecryptedValue
Gets the decrypted value
getDisplayValue
Gets the formatted display value of the field
getED
Gets the field's element descriptor
getLabel
Gets the object's label
getName
Gets the name of the field
getReferenceCurrencyCode
The currency ISO code, in the base system currency
getReferenceDisplayValue
Gets the display value
getReferenceTable
Gets table name for a reference field
getReferenceValue
Gets the reference value
getRefRecord
Gets a GlideRecord object for a reference element
getSessionCurrencyCode
Gets the sessions currency ISO code
getSessionDisplayValue
Gets the currency value in the sessions currency format
getSessionValue
Gets the ammount in the sessions currency
getTableName
Gets the table name
getValue
Only works in global (DO NOT USE)
hasAttribute
Determines whether a field has a particular attribute
nil
Determines whether the field is null
setDateNumericValue
Sets a date to a numeric value