Consider the following 1-D ARRAY data type:
CREATE TYPE phonenumbers_ary AS CHAR(10) ARRAY[5];
The following shows an ARRAY constructor expression that sets the first two elements in phonenumbers_ary to the provided values, and the rest of the elements in the array are set to an uninitialized state.
NEW phonenumbers_ary('5551234567', '8585551234')
or
phonenumbers_ary('5551234567', '8585551234')