How to Use Address Cleansing Transform..Pre requisites to use Address Transform

Hi All,

I want to use Address Cleanse Transormation. Can any one help me for below queries.

1. Pre requisites to use Address Cleanse Transform

2. Any defuat Address Directory we get with BODS

3. What is the use of Addres cleanse tranformation with an example.

Thanks in advance

Deepthi