Add Field, Calculate Field within Model Builder

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I have two questions regarding Model Builder.

1. I have a point layer with Crop Yield values. I need to Add Field called "Count", then do a Calculate Field, Count = 1. The problem that I'm running into is that in Model builder, when I try to insert a Calculate Field tool, "Count" field does not exist yet so I cannot reference that. How do I get the Count field to appear in MB before running the Calculate Field operation?
   
2. I need to do a Spatial Join in Model builder as well. I have done a Multiple Buffer operation with 7 concentric circles, and I need to join each field (each "doughnut) in that layer with the points that fall within it. I then need to perform several operations including Sum, Min, Max, Std Dev. When I manually do a "right-click" Spatial Join (right click the layer itself and select Join), this is no problem. Here's the dialog I would like to see in Model builder:
   

However, the Spatial Join tool that is brought into Model builder is significantly different. In it, you have the list of fields from the Join Feature, and you have to select an individual operation for each one.

Can someone tell me how to do this Join in Model builder?

Thanks in advance



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