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+At server Side:
+## SERVER SIDE - Store the Event_data in Hashmap with Event id as key.
+##The Hasmap contains the whole event data from the source.
+##The client requests are stored in a Hashmap with their respective Client_ids as key. 
+## Client_id=[pname=p1,uname=u1,....].
+## SERVER SIDE - Filter the Event_data when it arrives from the source and stored in Hashmap.
+## Assume the filtered data is stored in a Reverse_Hashmap with values(i) Of Event_id as keys and
+## the Event_id's containing the values(i) as values.
+## At Rerverse_Hashmap p1={eid1,eid2,...} u1={eid2,eid4,..} etc where eid is the Event_Id.
+
+
+Get Event_data
+DO
+  Store it in a Hashmap;
+
+  If(Client Present)
+     Fetch Filter Variables from the client_id.
+     Check if the Value-key pair exist in the Reverse_Hashmap
+     THEN DO 
+        FOR(Every value in Client_id)
+        
+            Fetch Event_Id and CHECK next value(another filter variable in Client_Id)
+
+            CONTINUE to CHECK next value(another filter variable in Client_id).
+
+         END FOR
+
+          RETURN Event_id Common(Value).
+
+              THEN DO
+              
+                SEND Event_data to that Event_Id.
+
+              END DO 
+
+          ELSE IF (RETURN == NULL)
+
+            SEND Error Report.
+            
+          END IF
+
+      END DO
+
+    END IF
+
+END DO               
diff --git a/pseudocode1.md b/pseudocode1.md
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+At server Side:
+## SERVER SIDE - Store the Event_data in Hashmap with Event id as key.
+##The Hasmap contains the whole event data from the source.
+##The client requests are stored in a Hashmap with their respective Client_ids as key. 
+## Client_id=[pname=p1,uname=u1,....]etc.
+## SERVER SIDE - Filter the Event_data when it arrives from the source and stored in Hashmap.
+## Assume the filtered data is stored in a Reverse_Hashmap with values(i) Of Event_id as keys and
+## the Event_id's containing the values(i) as values.
+## At Rerverse_Hashmap p1={eid1,eid2,...} u1={eid2,eid4,..} etc where eid is the Event_Id.
+
+
+Get Event_data
+DO
+  Store it in a Hashmap;
+
+  If(Client Present)
+     Fetch Filter Variables from the client_id.
+     Check if the Value-key pair exist in the Reverse_Hashmap
+     THEN DO 
+        FOR(Every value(i) in Client_id)
+        
+            Fetch Event_Id and CHECK next value(another filter variabl in Client_Id)
+
+            CONTINUE to CHECK next value(another filter variable in Client_id) till you Check the last value(i).
+
+         END FOR
+
+          RETURN Event_id Common(Value(i)).
+
+              THEN DO
+              
+                SEND Event_data to that Event_Id.
+
+              END DO 
+
+          ELSE IF (RETURN == NULL)
+
+            SEND Error Report.
+            
+          END IF
+
+      END DO
+
+    END IF
+
+END DO