{
"time":%{time.start.sec}V,
"event": {
"service_id":"%{req.service_id}V",
"time_start":"%{begin:%Y-%m-%dT%H:%M:%S%Z}t",
"time_end":"%{end:%Y-%m-%dT%H:%M:%S%Z}t",
"time_elapsed":%D,
"client_as_number":%{client.as.number}V,
"client_city":"%{client.geo.city}V",
"client_congestion_algorithm":"%{client.socket.congestion_algorithm}V",
"client_country_code":"%{client.geo.country_code3}V",
"client_cwnd":%{client.socket.cwnd}V,
"client_delivery_rate":%{client.socket.tcpi_delivery_rate}V,
"client_ip":"%{req.http.fastly-client-ip}V",
"client_latitude":%{if(client.geo.latitude == 999.9, "null", client.geo.latitude)}V,
"client_longitude":%{if(client.geo.longitude == 999.9, "null", client.geo.longitude)}V,
"client_ploss":%{client.socket.ploss}V,
"client_requests":%{client.requests}V,
"client_retrans":%{client.socket.tcpi_delta_retrans}V,
"client_rtt":%{req.http.log-client:tcpi_rtt}V,
"client_region":"%{client.geo.region}V",
"content_type":"%{Content-Type}o",
"fastly_is_edge":%{if(fastly.ff.visits_this_service == 0, "true", "false")}V,
"fastly_is_shield":%{if(req.http.log-origin:shield == server.datacenter, "true", "false")}V,
"fastly_pop":"%{server.datacenter}V",
"fastly_server":"%{server.hostname}V",
"fastly_shield_used":%{if(req.http.log-origin:shield, "%22" + req.http.log-origin:shield + "%22", "null")}V,
"origin_host":%{if(req.http.log-origin:host,"%22" + json.escape(req.http.log-origin:host) + "%22","null")}V,
"origin_ip":%{if(req.http.log-origin:ip,"%22" + json.escape(req.http.log-origin:ip) + "%22","null")}V,
"origin_method":%{if(req.http.log-origin:method,"%22" + json.escape(req.http.log-origin:method) + "%22","null")}V,
"origin_name":%{if(req.http.log-origin:name,"%22" + json.escape(req.http.log-origin:name) + "%22","null")}V,
"origin_port":%{if(req.http.log-origin:port,req.http.log-origin:port,"null")}V,
"origin_reason":%{if(req.http.log-origin:reason,"%22" + json.escape(req.http.log-origin:reason) + "%22","null")}V,
"origin_status":%{if(req.http.log-origin:status,json.escape(req.http.log-origin:status),"null")}V,
"origin_ttfb":%{if(req.http.log-origin:ttfb == "NaN", "null", req.http.log-origin:ttfb)}V,
"origin_ttlb":%{if(req.http.log-origin:ttlb == "NaN", "null", req.http.log-origin:ttlb)}V,
"origin_url":%{if(req.http.log-origin:url,"%22" + json.escape(req.http.log-origin:url) + "%22","null")}V,
"request_host":"%{json.escape(req.http.log-request:host)}V",
"request_is_h2":%{if(fastly_info.is_h2, "true", "false")}V,
"request_is_ipv6":%{if(req.is_ipv6, "true", "false")}V,
"request_method":"%{json.escape(req.http.log-request:method)}V",
"request_tls_version":%{if(tls.client.protocol, "%22" + tls.client.protocol + "%22", "null")}V,
"request_url":"%{json.escape(req.http.log-request:url)}V",
"request_user_agent":%{if(req.http.user-agent, "%22" + json.escape(req.http.user-agent) + "%22", "null")}V,
"response_age":%{regsub(obj.age, ".000$", "")}V,
"response_bytes_body":%{resp.body_bytes_written}V,
"response_bytes_header":%{resp.header_bytes_written}V,
"response_bytes":%{resp.bytes_written}V,
"response_cache_control":%{if(resp.http.cache-control, "%22" + json.escape(resp.http.cache-control) + "%22", "null")}V,
"response_completed":%{if(resp.completed, "true", "false")}V,
"response_content_length":%{if(resp.http.content-length, resp.http.content-length, "null")}V,
"response_content_type":%{if(resp.http.content-type, "%22" + json.escape(resp.http.content-type) + "%22", "null")}V,
"response_reason":%{if(resp.response,"%22" + json.escape(resp.response) + "%22","null")}V,
"response_state":"%{fastly_info.state}V",
"response_status":%{resp.status}V,
"response_ttfb":%{req.http.log-response:ttfb}V,
"response_ttl":%{obj.ttl}V,
"response_ttlb":%{req.http.log-response:ttlb}V,
"response_x_cache":%{if(resp.http.x-cache,"%22" + json.escape(resp.http.x-cache) + "%22","null")}V
}
}