API - Assign Inventory Items to Warehouse

l_api_version   NUMBER := 1.0;

l_init_msg_list VARCHAR2(2) := FND_API.G_TRUE;

l_commit        VARCHAR2(2) := FND_API.G_FALSE;  

SELECT inventory_item_id,

        segment1,

        primary_uom_code

 FROM   mtl_system_items_b

 WHERE  segment1 = v_segment1;  -- INVENTORY ITEM CODE

EGO_ITEM_PUB.ASSIGN_ITEM_TO_ORG( 
   P_API_VERSION       =>  l_api_version
,  P_INIT_MSG_LIST     =>  l_INIT_MSG_LIST
,  P_COMMIT            =>  l_COMMIT
,  P_INVENTORY_ITEM_ID =>  itm.inventory_item_id --(item id from the above Query)            
,  P_ITEM_NUMBER       =>  itm.segment1          --(Item Code from the above Query)
,  P_ORGANIZATION_ID   =>  v_organization_id     --(Organization Id for assingment)
,  P_ORGANIZATION_CODE =>  NULL--v_organization_code 
,  P_PRIMARY_UOM_CODE  =>  itm.primary_uom_code  --(UOM from the above Query)
,  X_RETURN_STATUS     =>  X_RETURN_STATUS
,  X_MSG_COUNT         =>  X_MSG_COUNT
 );