How to add a field to the Advanced Search in RD

First Step

In $dtle_root/tab/tab12 add: 
308 partitionA (308 is just for the example, it can be any other available number) 

Second Step

In $user_dev/gen01/tab/tab00.eng add: 
H WPA W-027 00 00 W-partitionA (WPA is just for the example, can be any 3 other letters) 

Third Step

In $user_dev/gen01/tab/tab11_word add: 

308## a 03 WRD WPA

Fourth Step

In $user_dev/gen01/tab/harvesting_schema.xml add: 

<field index_enabled="true" search_enabled="true" ui_code="308" ui_default_text="doc-308" index_code="308" normalizing_profiles_ref="generic"> 
<location type="digital_entity" path="control/partition_a"></location> 
</field> 

Fifth Step

In $user_dev/gen01/tab/www_r_silo_conf.xml add under the find codes: 

<find_code> 
<code>WPA</code> 
<option_name lng="ENG">PartitionA</option_name> 
<option_name lng="GER">PA</option_name> 
<option_name lng="FRE">PA</option_name> 
<option_name lng="HEB">×©× ×”</option_name> 
</find_code> 

Sixth Step

Restart the www server:

>start_w