You could take a look at drools-templates, and relevant sections in the user guide, as a starter. If that does not cover your requirements take a look at drools-templates source code on github. Alternatively have a look for MVEL templates on Google (other search engines are available). With kind regards, Mike Sent on the move On 15 Jan 2014 09:20, "neal" <swapnilaute(a)gmail.com&gt; wrote: I came to know through drool user forum that a drl file can be created using recursive MVEL 2.0 template. I am trying like below. public static String prepareRule(String RuleName){ String template = "\n rule \""+RuleName+"\" "+ "\n dialect \"mvel\" "+ "\n salience \"10\" " + "\n when" + "\n demo : Demo( one == \"N\" , two == \"C\" , three == 1005 )" + "\n then" + "\n demo.setFirst( 4003 );" + "\n demo.setLast( 4003 );" + "\n demo.setRuleID( \"SEQ_1\" );"; return template; } public static String getRuleAsString(String template){ Map vars = new HashMap(); return (String) TemplateRuntime.eval(template,vars); } public static void main(String[] args) { System.out.println(getRuleAsString(prepareRule("Rule 1"))); } When i am printing it out, It is generating rule skeleton. I am planning to create whole rule stuff passing arguments like rule name in the example. Am i doing correct? How to do it correctly? -- View this message in context: http://drools.46999.n3.nabble.com/How-to-generate-rule-statements-using-M... Sent from the Drools: User forum mailing list archive at Nabble.com. _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users _______________________________________________ rules-users mailing list rules-users(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/rules-users