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(Quick Reference) # first ## Purpose Retrieves the first instance of the domain class. ## Examples Given the domain class:
    class Person {
        String firstName
        String lastName
        Integer age
    }

    // retrieve the first person ordered by the identifier
    def p = Person.first()// retrieve the first person ordered by the lastName property
    p = Person.first(sort: 'lastName')// retrieve the first person ordered by the lastName property
    p = Person.first('lastName')
Parameters: `sort` (optional) - The name of the property to sort by See also: last Note that the first() and last() methods are not supported on domain classes which use a composite primary key. | Quick Reference (hide)