On 12/18/2012 07:46 PM, jgauss wrote: Hi, I think best practice is to insert a global, for instance, if you have an entity of the class: |class AGlobalDataSource||{|| || || public Collection<SomeData> getSomeDataFeed||{|| || ...|| || }|| ||}| Then you insert the data source into the working memory global: | AGlobalDataSource dataSource = new AGlobalDataSource(); WorkingMemory wm = rulebase.newStatefulSession(); wm.setGlobal( "dataSource", dataSource ); | Then you should be able to read from that global's properties, like: |global AGlobalDataSource dataSource;|| || ||rule "test from data source"|| || when|| || SomeData( ) from dataSource.someDataFeed|| || then|| || // action|| ||end| Bear in mind that the engine does not know if any data from the data source is changed and the rules need to be re-evaluated. Regards, Willem