Question 2 Replies 353 Views × Close popover Birupakhya lenka (Birupakhya) Tech Mahindra Senior Software Engineer Tech Mahindra CA View Profile Send Message Birupakhya Member since 2015 12 posts Tech Mahindra Posted: October 13, 2016 Last activity: October 14, 2016 Posted: 13 Oct 2016 14:08 EDT Last activity: 14 Oct 2016 4:30 EDT Closed Solved Decision Rule What is the reason we are unable to call Tree from Table ? ***Updated by Moderator: Marissa to update categories*** ***Updated by Moderator: Lochan to remove helpme tag*** Case Management × Close popover Facebook Twitter Linkedin Email Copy Link Copied! Moderation Team has archived post, learn more × Close popover This thread is closed to future replies. Content and links will no longer be updated. If you have the same/similar Question, please write a new Question. Accepted Solution Posted: 4 years ago Posted: 14 Oct 2016 0:59 EDT × Close popover Gisela Rodrigues (rodrg) PEGA Technical Lead, Global Client Support Pegasystems Inc. IN View Profile Send Message rodrg PEGA replied to Birupakhya Hi Birupakhya, There are two ways you invoke one decision type from another. 1. Using Call keyword in a cell, example Call TableName 2. Using expression builder and calling appropriate function, example @(Pega-RULES:DecisionTable).ObtainValue(tools, StepPage, TableName) DecisionType UsingCall UsingExpression Decision Table Table Tree, Table Decision Tree Table, Tree, MapValue Table, Tree, MapValue MapValue MapValue MapValue, Tree, Table Hope this helps. Thanks, Gisela Posted: 4 years ago Posted: 14 Oct 2016 3:16 EDT × Close popover Vadakkivitel Sasindhran Srijith (SrijithSasindhran) Incessant Technologies Incessant Technologies IN View Profile Send Message SrijithSasindhran Incessant Technologies replied to Birupakhya Complex If ..then..else logic can be done through Decision Trees,whereas if ..else can be done through table.There is no point of giving option for calling a tree from a decision table,since you can achieve that through decision tree itself.