Attach a GL posting account to existing sales item using gp webservice

Hi all,

I have created sales item using GP webservice(2010 version) createSalesItem method.

Now I want to update the created sales item, want attach the GL Posting Accounts to the items.

Is there methods exist in webservice where I can update the sales item to attach the GL Posting Accounts.

Any help will be appreciated.

Regards,

Priya.