Please look at the dynamo script that i’ve created. Running the script results in naming the ‘mark’ parameters of the SAN elements in the 1st list. My goal is to run the script and result in all of the hot water pipes to have it’s system number in it’s ‘Mark’ parameter.
You’re filtering the system values but not the elements. You need another FilterByBoolMask to filter out the same elements.
Here is the working code. Thanks
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