Oracle Apex Plugin from scratch boiler plate pl/sql

render.sql

procedure render
  ( p_item   in            apex_plugin.t_item
  , p_plugin in            apex_plugin.t_plugin
  , p_param  in            apex_plugin.t_item_render_param
  , p_result in out nocopy apex_plugin.t_item_render_result 
  )
as
    -- attributes
    l_attribute1 p_item.attribute_01%type := p_item.attribute_01;
    l_attribute2 p_item.attribute_02%type := p_item.attribute_02;
    l_attribute3 p_item.attribute_03%type := p_item.attribute_03;

    -- constants
    c_escaped_value constant varchar2(32767) := apex_escape.html(p_param.value);
    c_escaped_name  constant varchar2(32767) := apex_escape.html(p_item.name);
begin

    --debug
    if apex_application.g_debug 
    then
        apex_plugin_util.debug_item_render
          ( p_plugin => p_plugin
          , p_item   => p_item
          , p_param  => p_param
          );
    end if;

    htp.p('<input
            class=""
            style="width:100%;"
            id="'    || c_escaped_name  || '" 
            name="'  || c_escaped_name  || '"
            value="' || c_escaped_value || '"
            type="text"
            >');

end render;