Performs a check to determine whether or not the user has a second address line on file.

Must be used in conjunction with the {IF-CUSTOMER-BILL-ADDRESS-2-END} tag.

The following code will display line 2 of the customer's address if they have entered data into the field created by {FIELD-BILL-ADDRESS-2}.

1. A customer has entered 123 Example Street into the field created by {FIELD-BILL-ADDRESS-2}.
2. The following content in the web page's template:
   {IF-CUSTOMER-BILL-ADDRESS-2-BEGIN} Address 2: {CUSTOMER-BILL-ADDRESS-2} {IF-CUSTOMER-BILL-ADDRESS-2-END}
3. Will display the following when viewing that web page in the storefront:
   Address 2: 123 Example Street

The following code will hide line 2 of the customer's address if they have not entered data into the field created by {FIELD-BILL-ADDRESS-2}.

1. A customer has skips the field created by {FIELD-BILL-ADDRESS-2} and enters nothing into it.
2. The following content in the web page's template:
   {IF-CUSTOMER-BILL-ADDRESS-2-BEGIN} Address 2: {CUSTOMER-BILL-ADDRESS-2} {IF-CUSTOMER-BILL-ADDRESS-2-END}
   
3. Will display the nothing when viewing that web page in the storefront: