DATA: json type string VALUE '[{name: "Horst", title: "Herr", age: "30 "}, {name: "Jutta", title: "Frau", age: "35 "}, {name: "Ingo", title: "Herr", age: "31 "}]'.
TYPES: BEGIN OF s_person,
name TYPE string,
title TYPE string,
age TYPE i,
END OF s_person.
TYPES: t_person TYPE STANDARD TABLE OF s_person WITH DEFAULT KEY.
DATA(it_persons) = VALUE t_person( ).
* JSON (trex) -> ABAP (iTab)
DATA(o_trex) = NEW cl_trex_json_deserializer( ).
o_trex->deserialize( EXPORTING json = json
IMPORTING abap = it_persons ).
IF lines( it_persons ) > 0.
WRITE: / it_persons[ 1 ]-name.
ENDIF.