Hello @M.Elsayed and welcome to the forum 
could you show how far you are in dynamo ? and try read these post here… How to get help on the Dynamo forums ) and the community guidelines (https://forum.dynamobim.com/faq )
Hello @M.Elsayed and welcome to the forum could you show how far you are in dynamo ? and try read these post here… How to get help on the Dynamo forums ) and the community guidelines (https://forum.dynamobim.com/faq )