Hello proe user
To create a summation for the number of components in an assembly do this :
1. Click summation and click the repeat region
2. Click Add and select the QTY seed sell in the region
3. Type [assy_qty] as the parameter name
4. Select an empty sell to place the summation value
5. Click Repeat Region > Update Tables
Regards
Karavasilis V. Christos