https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219876#M28087 <DIV class="actalk-migrated-content"><T>Hello everyone,<BR /> <BR /> I'm trying to create a surface quantity scheme with multiplied material prices. In the scheme settings under the Fields we have options Projected Component Area (Net). It is a parameter that multiplies by the price. When I go to Property Manager to create an expression I can't find the same parameter as I set in scheme settings. <BR /> <BR /> Is there any other way to solve the problem?</T></DIV> Mon, 09 Aug 2021 07:41:06 GMT Njegos T 2021-08-09T07:41:06Z https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219876#M28087 <DIV class="actalk-migrated-content"><T>Hello everyone,<BR /> <BR /> I'm trying to create a surface quantity scheme with multiplied material prices. In the scheme settings under the Fields we have options Projected Component Area (Net). It is a parameter that multiplies by the price. When I go to Property Manager to create an expression I can't find the same parameter as I set in scheme settings. <BR /> <BR /> Is there any other way to solve the problem?</T></DIV> Mon, 09 Aug 2021 07:41:06 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219876#M28087 Njegos T 2021-08-09T07:41:06Z https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219877#M28088 Properties cannot detect composite components parameters, <BR /> you can do calculations on excel side, export your schedule as excel, link it to an scel sheet that countains formulas to multiply price by quantity Mon, 09 Aug 2021 07:44:44 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219877#M28088 Ahmed_K 2021-08-09T07:44:44Z https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219878#M28089 FYI:<BR /> Component_NetProjectedArea is available in Python Parameters. You could do your calculations in a single click and then write back to a element property which you created. That property would then be able to be scheduled. This would avoid having to mess with excel and only involve a single click (execute script) to update? Mon, 09 Aug 2021 08:41:43 GMT https://community.graphisoft.com/t5/Collaboration-with-other/Expression-Editor-Parameters-and-Properties/m-p/219878#M28089 poco2013 2021-08-09T08:41:43Z