Construct line of sight from many observer using iteration

[HushamHassan]

I am using ArcGIS PRO  and I have  a point feature class which contain many points and need to use them  as an observer, by iterating each point then join field SiteID  with the target that match the same SiteID.  Also I need to Multiply the elevation attribute in the observer by 10,  I tried iterate by Value then I used select by attribute,  but that did not work for me.

Any Suggestion..

[DanPatterson_Retired]

You will have to elaborate on what didn't work?

Did you get errors? and if so, what were they?

A diagram of the model might help too

[HushamHassan]

Model and the Process Window, it appear that its stack in the construct sight Lines

[HushamHassan · Accepted solution]

Solved by Using Iterate Row Selection