Get unique tokens from iidda metadata
     
    
    Usage
    unique_entries(entries, metadata_search)
 
     
    
    Arguments
- entries
 
List returned by iidda.api::ops_staging$metadata
 
- metadata_search
 
Character, field from which unique tokens are desired
 
 
    
    Value
    Character vector of unique tokens for a given field from all iidda
datasets