trying to setup an interactive dashboard that takes user inputs and runs various searches. 
 First we select data type in $field1  
Then enter text for that data in $field2 (the search string)  
Then we select a radio button that tells us what type of data to look for ($field3) (the index) 
 Then run a simple search like 
 index=$field3$  $field1$=$field2$ 
 The issue is that I need the value of $field1$ to change based on the value of $field3$, e.g. if $field3="pop" I want to set $field1 = "user", but if $field3="imp" I want to set $field1 = "auth" 
						
					
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