{{tag>Index Function Function_List Date_And_Time}}
====== WEEK_DIFFERENCE ====== 
===== Description =====  
Calculates the week difference between the two dates as an integer constant
===== Parameters =====  
Two attributes of the Date type or date constants or calculations producing date
===== Example =====  
<code aim>IF WEEK_DIFFERENCE 
  (Account.OpeningDate, Account.ClosingDate) = 2 THEN ... </code>