ass="kw">=</span> <span class="st">'active ingredient'</span>,
               <span class="kw">endpoint</span> <span class="kw">=</span> <span class="st">'XX50'</span>,
               <span class="kw">taxa</span> <span class="kw">=</span> <span class="fu"><a href="https://rdrr.io/r/base/grep.html">grep</a></span>(<span class="st">'Oncorhynchus'</span>, <span class="no">catal</span>$<span class="no">taxa</span>$<span class="no">variable</span>, <span class="kw">value</span> <span class="kw">=</span> <span cl