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OpenTelemetry","\u002Fcompare\u002Fopentelemetry","8.compare\u002F2.opentelemetry",{"title":591,"path":592,"stem":593,"icon":567},"evlog vs LogTape","\u002Fcompare\u002Flogtape","8.compare\u002F3.logtape",{"title":595,"path":596,"stem":597,"icon":567},"evlog vs Winston: formats and request events","\u002Fcompare\u002Fwinston","8.compare\u002F4.winston",{"title":599,"path":600,"stem":601,"icon":567},"evlog vs Consola: reporters and request context","\u002Fcompare\u002Fconsola","8.compare\u002F5.consola",{"id":603,"title":314,"body":604,"description":1675,"extension":1676,"links":1677,"meta":1678,"navigation":1679,"path":315,"seo":1680,"stem":316,"__hash__":1681},"docs\u002F4.integrate\u002Fframeworks\u002F16.aws-lambda.md",{"type":605,"value":606,"toc":1663},"minimark",[607,638,678,687,698,713,727,730,735,806,810,1319,1328,1335,1353,1478,1491,1495,1513,1619,1623,1659],[608,609,610,611,615,616,620,621,625,626,629,630,633,634,637],"p",{},"AWS Lambda has ",[612,613,614],"strong",{},"no HTTP middleware lifecycle"," like Nuxt or Express, so evlog behaves like ",[617,618,619],"a",{"href":301},"standalone TypeScript",": call ",[622,623,624],"code",{},"initLogger()"," once, create a logger ",[612,627,628],{},"per invocation"," (or per SQS message) with ",[622,631,632],{},"createLogger()",", then call ",[622,635,636],{},"log.emit()"," when work finishes.",[639,640,643,646,665],"prompt",{":actions":641,"description":642,"icon":317},"[\"copy\",\"cursor\",\"claude\"]","Set up evlog in my AWS Lambda function",[608,644,645],{},"Set up evlog in an AWS Lambda function (e.g. SQS consumer).",[647,648,649,653,656,659,662],"ul",{},[650,651,652],"li",{},"Install evlog: pnpm add evlog",[650,654,655],{},"Call initLogger({ env: { service: 'my-fn' } }) once at module load (cold start)",[650,657,658],{},"In the handler, create a new createLogger({ messageId, ... }) per invocation or per message",[650,660,661],{},"Use log.set() to accumulate context; call log.emit() when done",[650,663,664],{},"Avoid a single module-level logger instance reused across invocations (Lambda reuses runtimes)",[608,666,667,668,673,674],{},"Docs: ",[617,669,670],{"href":670,"rel":671},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fframeworks\u002Faws-lambda",[672],"nofollow","\nAdapters: ",[617,675,676],{"href":676,"rel":677},"https:\u002F\u002Fwww.evlog.dev\u002Fintegrate\u002Fadapters\u002Foverview",[672],[679,680,682,683,686],"h2",{"id":681},"why-not-one-global-createlogger","Why not one global ",[622,684,685],{},"createLogger","?",[608,688,689,690,693,694,697],{},"Lambda ",[612,691,692],{},"execution environments are reused",": the same process can handle many invocations in sequence. Module-level variables persist, so ",[612,695,696],{},"one shared logger instance"," can leak fields from a previous invocation into the next.",[608,699,700,703,704,706,707,712],{},[612,701,702],{},"Do this:"," ",[622,705,624],{}," once at the top level (configuration only), and ",[612,708,709,711],{},[622,710,632],{}," inside the handler"," (or inside the loop over SQS records) for each unit of work.",[608,714,715,718,719,722,723,726],{},[612,716,717],{},"Dependency injection"," (passing ",[622,720,721],{},"log"," into functions) is optional, it helps tests and clarity, but what matters is ",[612,724,725],{},"one logger per invocation",", not whether you use DI.",[679,728,25],{"id":729},"quick-start",[731,732,734],"h3",{"id":733},"_1-install","1. Install",[736,737,738,763,777,791],"code-group",{},[739,740,746],"pre",{"className":741,"code":742,"filename":743,"language":744,"meta":745,"style":745},"language-bash shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","pnpm add evlog\n","pnpm","bash","",[622,747,748],{"__ignoreMap":745},[749,750,753,756,760],"span",{"class":751,"line":752},"line",1,[749,754,743],{"class":755},"sBMFI",[749,757,759],{"class":758},"sfazB"," add",[749,761,762],{"class":758}," evlog\n",[739,764,767],{"className":741,"code":765,"filename":766,"language":744,"meta":745,"style":745},"bun add evlog\n","bun",[622,768,769],{"__ignoreMap":745},[749,770,771,773,775],{"class":751,"line":752},[749,772,766],{"class":755},[749,774,759],{"class":758},[749,776,762],{"class":758},[739,778,781],{"className":741,"code":779,"filename":780,"language":744,"meta":745,"style":745},"yarn add evlog\n","yarn",[622,782,783],{"__ignoreMap":745},[749,784,785,787,789],{"class":751,"line":752},[749,786,780],{"class":755},[749,788,759],{"class":758},[749,790,762],{"class":758},[739,792,795],{"className":741,"code":793,"filename":794,"language":744,"meta":745,"style":745},"npm install evlog\n","npm",[622,796,797],{"__ignoreMap":745},[749,798,799,801,804],{"class":751,"line":752},[749,800,794],{"class":755},[749,802,803],{"class":758}," install",[749,805,762],{"class":758},[731,807,809],{"id":808},"_2-initialize-once-log-per-invocation","2. Initialize once, log per invocation",[739,811,816],{"className":812,"code":813,"filename":814,"language":815,"meta":745,"style":745},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import type { SQSEvent } from 'aws-lambda'\nimport { initLogger, createLogger } from 'evlog'\n\ninitLogger({\n  env: { service: 'sqs-consumer', environment: process.env.NODE_ENV },\n})\n\nexport async function handler(event: SQSEvent) {\n  for (const record of event.Records) {\n    const log = createLogger({\n      messageId: record.messageId,\n      approximateReceiveCount: record.attributes?.ApproximateReceiveCount,\n    })\n\n    try {\n      log.set({ queue: { name: record.eventSourceARN } })\n      \u002F\u002F … parse record.body and process the message\n      log.set({ status: 'ok' })\n    } catch (error) {\n      log.error(error instanceof Error ? error : new Error(String(error)))\n      log.set({ status: 'error' })\n      throw error\n    } finally {\n      log.emit()\n    }\n  }\n}\n","src\u002Fhandler.ts","typescript",[622,817,818,850,877,884,897,946,955,960,992,1023,1041,1059,1082,1090,1095,1103,1144,1151,1180,1197,1242,1269,1278,1288,1301,1307,1313],{"__ignoreMap":745},[749,819,820,824,827,831,835,838,841,844,847],{"class":751,"line":752},[749,821,823],{"class":822},"s7zQu","import",[749,825,826],{"class":822}," type",[749,828,830],{"class":829},"sMK4o"," {",[749,832,834],{"class":833},"sTEyZ"," SQSEvent",[749,836,837],{"class":829}," }",[749,839,840],{"class":822}," from",[749,842,843],{"class":829}," '",[749,845,846],{"class":758},"aws-lambda",[749,848,849],{"class":829},"'\n",[749,851,853,855,857,860,863,866,868,870,872,875],{"class":751,"line":852},2,[749,854,823],{"class":822},[749,856,830],{"class":829},[749,858,859],{"class":833}," initLogger",[749,861,862],{"class":829},",",[749,864,865],{"class":833}," createLogger",[749,867,837],{"class":829},[749,869,840],{"class":822},[749,871,843],{"class":829},[749,873,874],{"class":758},"evlog",[749,876,849],{"class":829},[749,878,880],{"class":751,"line":879},3,[749,881,883],{"emptyLinePlaceholder":882},true,"\n",[749,885,887,891,894],{"class":751,"line":886},4,[749,888,890],{"class":889},"s2Zo4","initLogger",[749,892,893],{"class":833},"(",[749,895,896],{"class":829},"{\n",[749,898,900,904,907,909,912,914,916,919,922,924,927,929,932,935,938,940,943],{"class":751,"line":899},5,[749,901,903],{"class":902},"swJcz","  env",[749,905,906],{"class":829},":",[749,908,830],{"class":829},[749,910,911],{"class":902}," service",[749,913,906],{"class":829},[749,915,843],{"class":829},[749,917,918],{"class":758},"sqs-consumer",[749,920,921],{"class":829},"'",[749,923,862],{"class":829},[749,925,926],{"class":902}," environment",[749,928,906],{"class":829},[749,930,931],{"class":833}," process",[749,933,934],{"class":829},".",[749,936,937],{"class":833},"env",[749,939,934],{"class":829},[749,941,942],{"class":833},"NODE_ENV ",[749,944,945],{"class":829},"},\n",[749,947,949,952],{"class":751,"line":948},6,[749,950,951],{"class":829},"}",[749,953,954],{"class":833},")\n",[749,956,958],{"class":751,"line":957},7,[749,959,883],{"emptyLinePlaceholder":882},[749,961,963,966,970,973,976,978,982,984,986,989],{"class":751,"line":962},8,[749,964,965],{"class":822},"export",[749,967,969],{"class":968},"spNyl"," async",[749,971,972],{"class":968}," function",[749,974,975],{"class":889}," handler",[749,977,893],{"class":829},[749,979,981],{"class":980},"sHdIc","event",[749,983,906],{"class":829},[749,985,834],{"class":755},[749,987,988],{"class":829},")",[749,990,991],{"class":829}," {\n",[749,993,995,998,1001,1004,1007,1010,1013,1015,1018,1021],{"class":751,"line":994},9,[749,996,997],{"class":822},"  for",[749,999,1000],{"class":902}," (",[749,1002,1003],{"class":968},"const",[749,1005,1006],{"class":833}," record",[749,1008,1009],{"class":829}," of",[749,1011,1012],{"class":833}," event",[749,1014,934],{"class":829},[749,1016,1017],{"class":833},"Records",[749,1019,1020],{"class":902},") ",[749,1022,896],{"class":829},[749,1024,1026,1029,1032,1035,1037,1039],{"class":751,"line":1025},10,[749,1027,1028],{"class":968},"    const",[749,1030,1031],{"class":833}," log",[749,1033,1034],{"class":829}," =",[749,1036,865],{"class":889},[749,1038,893],{"class":902},[749,1040,896],{"class":829},[749,1042,1044,1047,1049,1051,1053,1056],{"class":751,"line":1043},11,[749,1045,1046],{"class":902},"      messageId",[749,1048,906],{"class":829},[749,1050,1006],{"class":833},[749,1052,934],{"class":829},[749,1054,1055],{"class":833},"messageId",[749,1057,1058],{"class":829},",\n",[749,1060,1062,1065,1067,1069,1071,1074,1077,1080],{"class":751,"line":1061},12,[749,1063,1064],{"class":902},"      approximateReceiveCount",[749,1066,906],{"class":829},[749,1068,1006],{"class":833},[749,1070,934],{"class":829},[749,1072,1073],{"class":833},"attributes",[749,1075,1076],{"class":829},"?.",[749,1078,1079],{"class":833},"ApproximateReceiveCount",[749,1081,1058],{"class":829},[749,1083,1085,1088],{"class":751,"line":1084},13,[749,1086,1087],{"class":829},"    }",[749,1089,954],{"class":902},[749,1091,1093],{"class":751,"line":1092},14,[749,1094,883],{"emptyLinePlaceholder":882},[749,1096,1098,1101],{"class":751,"line":1097},15,[749,1099,1100],{"class":822},"    try",[749,1102,991],{"class":829},[749,1104,1106,1109,1111,1114,1116,1119,1122,1124,1126,1129,1131,1133,1135,1138,1140,1142],{"class":751,"line":1105},16,[749,1107,1108],{"class":833},"      log",[749,1110,934],{"class":829},[749,1112,1113],{"class":889},"set",[749,1115,893],{"class":902},[749,1117,1118],{"class":829},"{",[749,1120,1121],{"class":902}," queue",[749,1123,906],{"class":829},[749,1125,830],{"class":829},[749,1127,1128],{"class":902}," name",[749,1130,906],{"class":829},[749,1132,1006],{"class":833},[749,1134,934],{"class":829},[749,1136,1137],{"class":833},"eventSourceARN",[749,1139,837],{"class":829},[749,1141,837],{"class":829},[749,1143,954],{"class":902},[749,1145,1147],{"class":751,"line":1146},17,[749,1148,1150],{"class":1149},"sHwdD","      \u002F\u002F … parse record.body and process the message\n",[749,1152,1154,1156,1158,1160,1162,1164,1167,1169,1171,1174,1176,1178],{"class":751,"line":1153},18,[749,1155,1108],{"class":833},[749,1157,934],{"class":829},[749,1159,1113],{"class":889},[749,1161,893],{"class":902},[749,1163,1118],{"class":829},[749,1165,1166],{"class":902}," status",[749,1168,906],{"class":829},[749,1170,843],{"class":829},[749,1172,1173],{"class":758},"ok",[749,1175,921],{"class":829},[749,1177,837],{"class":829},[749,1179,954],{"class":902},[749,1181,1183,1185,1188,1190,1193,1195],{"class":751,"line":1182},19,[749,1184,1087],{"class":829},[749,1186,1187],{"class":822}," catch",[749,1189,1000],{"class":902},[749,1191,1192],{"class":833},"error",[749,1194,1020],{"class":902},[749,1196,896],{"class":829},[749,1198,1200,1202,1204,1206,1208,1210,1213,1216,1219,1222,1225,1228,1230,1232,1235,1237,1239],{"class":751,"line":1199},20,[749,1201,1108],{"class":833},[749,1203,934],{"class":829},[749,1205,1192],{"class":889},[749,1207,893],{"class":902},[749,1209,1192],{"class":833},[749,1211,1212],{"class":829}," instanceof",[749,1214,1215],{"class":755}," Error",[749,1217,1218],{"class":829}," ?",[749,1220,1221],{"class":833}," error",[749,1223,1224],{"class":829}," :",[749,1226,1227],{"class":829}," new",[749,1229,1215],{"class":889},[749,1231,893],{"class":902},[749,1233,1234],{"class":889},"String",[749,1236,893],{"class":902},[749,1238,1192],{"class":833},[749,1240,1241],{"class":902},")))\n",[749,1243,1245,1247,1249,1251,1253,1255,1257,1259,1261,1263,1265,1267],{"class":751,"line":1244},21,[749,1246,1108],{"class":833},[749,1248,934],{"class":829},[749,1250,1113],{"class":889},[749,1252,893],{"class":902},[749,1254,1118],{"class":829},[749,1256,1166],{"class":902},[749,1258,906],{"class":829},[749,1260,843],{"class":829},[749,1262,1192],{"class":758},[749,1264,921],{"class":829},[749,1266,837],{"class":829},[749,1268,954],{"class":902},[749,1270,1272,1275],{"class":751,"line":1271},22,[749,1273,1274],{"class":822},"      throw",[749,1276,1277],{"class":833}," error\n",[749,1279,1281,1283,1286],{"class":751,"line":1280},23,[749,1282,1087],{"class":829},[749,1284,1285],{"class":822}," finally",[749,1287,991],{"class":829},[749,1289,1291,1293,1295,1298],{"class":751,"line":1290},24,[749,1292,1108],{"class":833},[749,1294,934],{"class":829},[749,1296,1297],{"class":889},"emit",[749,1299,1300],{"class":902},"()\n",[749,1302,1304],{"class":751,"line":1303},25,[749,1305,1306],{"class":829},"    }\n",[749,1308,1310],{"class":751,"line":1309},26,[749,1311,1312],{"class":829},"  }\n",[749,1314,1316],{"class":751,"line":1315},27,[749,1317,1318],{"class":829},"}\n",[608,1320,1321,1322,703,1325,1327],{},"If you process the whole batch as one logical unit, use a ",[612,1323,1324],{},"single",[622,1326,632],{}," per handler invocation with batch metadata instead of one logger per record.",[679,1329,1331,1332],{"id":1330},"stdout-and-silent","Stdout and ",[622,1333,1334],{},"silent",[608,1336,1337,1338,1341,1342,1345,1346,1349,1350,934],{},"Many teams ingest Lambda logs from ",[612,1339,1340],{},"CloudWatch"," via stdout. If you use a ",[612,1343,1344],{},"drain adapter"," (OTLP, Datadog, Axiom, etc.) and want JSON or platform-specific formatting without duplicate console noise, set ",[622,1347,1348],{},"silent: true"," in production. See ",[617,1351,547],{"href":1352},"\u002Freference\u002Fconfiguration#silence-the-terminal",[739,1354,1356],{"className":812,"code":1355,"filename":814,"language":815,"meta":745,"style":745},"import { createAxiomDrain } from 'evlog\u002Faxiom'\nimport { initLogger } from 'evlog'\n\ninitLogger({\n  env: { service: 'sqs-consumer' },\n  silent: process.env.NODE_ENV === 'production',\n  drain: createAxiomDrain(),\n})\n",[622,1357,1358,1378,1396,1400,1408,1429,1458,1472],{"__ignoreMap":745},[749,1359,1360,1362,1364,1367,1369,1371,1373,1376],{"class":751,"line":752},[749,1361,823],{"class":822},[749,1363,830],{"class":829},[749,1365,1366],{"class":833}," createAxiomDrain",[749,1368,837],{"class":829},[749,1370,840],{"class":822},[749,1372,843],{"class":829},[749,1374,1375],{"class":758},"evlog\u002Faxiom",[749,1377,849],{"class":829},[749,1379,1380,1382,1384,1386,1388,1390,1392,1394],{"class":751,"line":852},[749,1381,823],{"class":822},[749,1383,830],{"class":829},[749,1385,859],{"class":833},[749,1387,837],{"class":829},[749,1389,840],{"class":822},[749,1391,843],{"class":829},[749,1393,874],{"class":758},[749,1395,849],{"class":829},[749,1397,1398],{"class":751,"line":879},[749,1399,883],{"emptyLinePlaceholder":882},[749,1401,1402,1404,1406],{"class":751,"line":886},[749,1403,890],{"class":889},[749,1405,893],{"class":833},[749,1407,896],{"class":829},[749,1409,1410,1412,1414,1416,1418,1420,1422,1424,1426],{"class":751,"line":899},[749,1411,903],{"class":902},[749,1413,906],{"class":829},[749,1415,830],{"class":829},[749,1417,911],{"class":902},[749,1419,906],{"class":829},[749,1421,843],{"class":829},[749,1423,918],{"class":758},[749,1425,921],{"class":829},[749,1427,1428],{"class":829}," },\n",[749,1430,1431,1434,1436,1438,1440,1442,1444,1446,1449,1451,1454,1456],{"class":751,"line":948},[749,1432,1433],{"class":902},"  silent",[749,1435,906],{"class":829},[749,1437,931],{"class":833},[749,1439,934],{"class":829},[749,1441,937],{"class":833},[749,1443,934],{"class":829},[749,1445,942],{"class":833},[749,1447,1448],{"class":829},"===",[749,1450,843],{"class":829},[749,1452,1453],{"class":758},"production",[749,1455,921],{"class":829},[749,1457,1058],{"class":829},[749,1459,1460,1463,1465,1467,1470],{"class":751,"line":957},[749,1461,1462],{"class":902},"  drain",[749,1464,906],{"class":829},[749,1466,1366],{"class":889},[749,1468,1469],{"class":833},"()",[749,1471,1058],{"class":829},[749,1473,1474,1476],{"class":751,"line":962},[749,1475,951],{"class":829},[749,1477,954],{"class":833},[1479,1480,1483,1484,1486,1487,1490],"callout",{"color":1481,"icon":1482},"warning","i-lucide-alert-triangle","If ",[622,1485,1334],{}," is enabled without a ",[622,1488,1489],{},"drain",", events may not be visible anywhere. See the configuration docs for details.",[679,1492,1494],{"id":1493},"error-handling","Error handling",[608,1496,1497,1498,1501,1502,1505,1506,1505,1509,1512],{},"Use ",[622,1499,1500],{},"createError"," where you want structured fields (",[622,1503,1504],{},"why",", ",[622,1507,1508],{},"fix",[622,1510,1511],{},"link","). Map failures to your Lambda return or rethrow so SQS retry\u002FDLQ behavior stays correct. evlog does not replace AWS error semantics.",[739,1514,1516],{"className":812,"code":1515,"filename":814,"language":815,"meta":745,"style":745},"import { createError } from 'evlog'\n\nthrow createError({\n  message: 'Invalid payload',\n  status: 400,\n  why: 'Required field missing',\n  fix: 'Include orderId in the message body',\n})\n",[622,1517,1518,1537,1541,1552,1568,1581,1597,1613],{"__ignoreMap":745},[749,1519,1520,1522,1524,1527,1529,1531,1533,1535],{"class":751,"line":752},[749,1521,823],{"class":822},[749,1523,830],{"class":829},[749,1525,1526],{"class":833}," createError",[749,1528,837],{"class":829},[749,1530,840],{"class":822},[749,1532,843],{"class":829},[749,1534,874],{"class":758},[749,1536,849],{"class":829},[749,1538,1539],{"class":751,"line":852},[749,1540,883],{"emptyLinePlaceholder":882},[749,1542,1543,1546,1548,1550],{"class":751,"line":879},[749,1544,1545],{"class":822},"throw",[749,1547,1526],{"class":889},[749,1549,893],{"class":833},[749,1551,896],{"class":829},[749,1553,1554,1557,1559,1561,1564,1566],{"class":751,"line":886},[749,1555,1556],{"class":902},"  message",[749,1558,906],{"class":829},[749,1560,843],{"class":829},[749,1562,1563],{"class":758},"Invalid payload",[749,1565,921],{"class":829},[749,1567,1058],{"class":829},[749,1569,1570,1573,1575,1579],{"class":751,"line":899},[749,1571,1572],{"class":902},"  status",[749,1574,906],{"class":829},[749,1576,1578],{"class":1577},"sbssI"," 400",[749,1580,1058],{"class":829},[749,1582,1583,1586,1588,1590,1593,1595],{"class":751,"line":948},[749,1584,1585],{"class":902},"  why",[749,1587,906],{"class":829},[749,1589,843],{"class":829},[749,1591,1592],{"class":758},"Required field missing",[749,1594,921],{"class":829},[749,1596,1058],{"class":829},[749,1598,1599,1602,1604,1606,1609,1611],{"class":751,"line":957},[749,1600,1601],{"class":902},"  fix",[749,1603,906],{"class":829},[749,1605,843],{"class":829},[749,1607,1608],{"class":758},"Include orderId in the message body",[749,1610,921],{"class":829},[749,1612,1058],{"class":829},[749,1614,1615,1617],{"class":751,"line":962},[749,1616,951],{"class":829},[749,1618,954],{"class":833},[679,1620,1622],{"id":1621},"related","Related",[647,1624,1625,1640,1654],{},[650,1626,1627,1630,1631,1633,1634,1633,1636,1639],{},[617,1628,1629],{"href":301},"Standalone TypeScript",": same ",[622,1632,890],{}," + ",[622,1635,685],{},[622,1637,1638],{},"emit()"," model",[650,1641,1642,1644,1645,1505,1647,1000,1650,1653],{},[617,1643,547],{"href":548},": ",[622,1646,1334],{},[622,1648,1649],{},"env.region",[622,1651,1652],{},"AWS_REGION","), drains",[650,1655,1656,1658],{},[617,1657,51],{"href":52},": designing one comprehensive event per unit of work",[1660,1661,1662],"style",{},"html pre.shiki code .sBMFI, html code.shiki .sBMFI{--shiki-light:#E2931D;--shiki-default:#FFCB6B;--shiki-dark:#FFCB6B}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html .light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html.light .shiki span {color: var(--shiki-light);background: var(--shiki-light-bg);font-style: var(--shiki-light-font-style);font-weight: var(--shiki-light-font-weight);text-decoration: var(--shiki-light-text-decoration);}html .default .shiki span {color: var(--shiki-default);background: 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handlers.","md",null,{},{"title":314,"icon":317},{"title":314,"description":1675},"X6QwDnZUl1sNqZ1Y92Zlo46sZ81Iq1GQB2RWLbgpsqc",[1683,1685],{"title":309,"path":310,"stem":311,"description":1684,"icon":312,"children":-1},"`withEvlog(handler)` wraps an oRPC handler and the procedure middleware puts the logger on `context.log`, tagging each procedure with its `operation`.",{"title":41,"path":324,"stem":325,"description":1686,"icon":107,"children":-1},"Recipes that each solve one problem: browser logs, AI SDK calls, user identity, a tamper-evident audit trail, tool telemetry, derived context.",1791060983082]