CORE_CUSTOM_FILTER_SEARCH CORE Endpoint
  /rpc/core/?method=CORE_CUSTOM_FILTER_SEARCH  
     
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  DETAILS    
  Prefix Filter  
  SUB SEARCHES    
  CUSTOM OPTIONS TYPE  
  AVAILABLE FIELDS TYPE  
  Id Numeric  
  Reference Numeric  
  Notes Text (2000)  
  Title Text(50)  
       
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  Selected Fields