1</span>, <span class="type-var">'arg2</span>, <span class="type-var">'output</span>)</span> <a href="../../EzAPI/Legacy/index.html#type-service2">EzAPI.Legacy.service2</a></span> <span>&#45;&gt;</span> string <span>&#45;&gt;</span> <span>?&#8288;post:bool</span> <span>&#45;&gt;</span> <span>?&#8288;headers:<span><span>(string * string)</span> list</span></span> <span>&#45;&gt;</span> <span>?&#8288;error:<a href="../../EzReq_S/index.html#type-error_handler">EzReq_S.error_handler</a></span> <span>&#45;&gt;