This procedure writes an open bracket symbol as follows:
[
Syntax
APEX_JSON.OPEN_ARRAY (
    p_name     IN VARCHAR2 DEFAULT NULL );
Parameters
Table 15-23 OPEN_ARRAY Procedure Parameters
| Parameter | Description | 
|---|---|
| 
 | If not null, write an object attribute name and colon before the opening bracket. | 
Example
This example performs a write { "array":[ 1 ,[ ] ] }.
BEGIN
  apex_json.open_object; -- {
  apex_json.open_array('array'); -- "array": [
  apex_json.write(1); -- 1
  apex_json.open_array; -- , [
  apex_json.close_array; -- ]
  apex_json.close_array; -- ]
  apex_json.close_object; -- }
END;