[rules-users] Difference between adding $ at the beginning of a variable

Hi, As I am very new to Drools, could you please tell me what is the difference between adding a $ at the beginning of a variable and without $. For example: rule "validate holiday" when *$h1 : Holiday( `when` == "july" )* then ...... end and rule "validate holiday" when *h1 : Holiday( `when` == "july" )* then ...... end Regards, Sudipta Deb -- View this message in context: http://drools.46999.n3.nabble.com/Difference-between-adding-at-the-beginn... Sent from the Drools: User forum mailing list archive at Nabble.com.