I would like to feed a list of feature classes (only one polygon per feature class, but up to 150 feature classes) into the Union tool in ModelBuilder by using a Feature Class Iterator and the Collect Values Tool. Unfortunately, it does not work since "Collect Values" only works with Merge, Append, etc.. Does anyone knows how to work around or another way to do this?

Thanks in advance!

Michaela

I would like to feed a list of feature classes (only one polygon per feature class, but up to 150 feature classes) into the Union tool in ModelBuilder by using a Feature Class Iterator and the Collect Values Tool. 

Unfortunately, it does not work since "Collect Values" only works with Merge, Append, etc. 

Does anyone know a workaround or another way to do this?