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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":604,"body":605,"description":1676,"extension":1677,"links":1678,"meta":1683,"navigation":1684,"path":370,"seo":1685,"stem":371,"__hash__":1686},"docs\u002F5.use-cases\u002F3.better-auth\u002F02.identify-user.md","identifyUser",{"type":606,"value":607,"toc":1670},"minimark",[608,631,839,847,851,971,1056,1060,1063,1093,1099,1145,1149,1155,1280,1283,1434,1440,1444,1666],[609,610,611,614,615,618,619,622,623,626,627,630],"p",{},[612,613,604],"code",{}," is the core building block. Take a ",[612,616,617],{},"RequestLogger"," and a Better Auth session, extract safe fields, and call ",[612,620,621],{},"log.set()",". Returns ",[612,624,625],{},"true"," if the user was identified, ",[612,628,629],{},"false"," otherwise.",[632,633,639],"pre",{"className":634,"code":635,"filename":636,"language":637,"meta":638,"style":638},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { identifyUser } from 'evlog\u002Fbetter-auth'\n\nconst session = await auth.api.getSession({ headers: event.headers })\nif (session) {\n  const identified = identifyUser(log, session)\n  if (identified) {\n    log.set({ subscription: 'premium' })\n  }\n}\n","server\u002Fapi\u002Fcheckout.post.ts","typescript","",[612,640,641,674,681,739,751,778,795,827,833],{"__ignoreMap":638},[642,643,646,650,654,658,661,664,667,671],"span",{"class":644,"line":645},"line",1,[642,647,649],{"class":648},"s7zQu","import",[642,651,653],{"class":652},"sMK4o"," {",[642,655,657],{"class":656},"sTEyZ"," identifyUser",[642,659,660],{"class":652}," }",[642,662,663],{"class":648}," from",[642,665,666],{"class":652}," '",[642,668,670],{"class":669},"sfazB","evlog\u002Fbetter-auth",[642,672,673],{"class":652},"'\n",[642,675,677],{"class":644,"line":676},2,[642,678,680],{"emptyLinePlaceholder":679},true,"\n",[642,682,684,688,691,694,697,700,703,706,708,712,715,718,722,725,728,730,733,736],{"class":644,"line":683},3,[642,685,687],{"class":686},"spNyl","const",[642,689,690],{"class":656}," session ",[642,692,693],{"class":652},"=",[642,695,696],{"class":648}," await",[642,698,699],{"class":656}," auth",[642,701,702],{"class":652},".",[642,704,705],{"class":656},"api",[642,707,702],{"class":652},[642,709,711],{"class":710},"s2Zo4","getSession",[642,713,714],{"class":656},"(",[642,716,717],{"class":652},"{",[642,719,721],{"class":720},"swJcz"," headers",[642,723,724],{"class":652},":",[642,726,727],{"class":656}," event",[642,729,702],{"class":652},[642,731,732],{"class":656},"headers ",[642,734,735],{"class":652},"}",[642,737,738],{"class":656},")\n",[642,740,742,745,748],{"class":644,"line":741},4,[642,743,744],{"class":648},"if",[642,746,747],{"class":656}," (session) ",[642,749,750],{"class":652},"{\n",[642,752,754,757,760,763,765,767,770,773,776],{"class":644,"line":753},5,[642,755,756],{"class":686},"  const",[642,758,759],{"class":656}," identified",[642,761,762],{"class":652}," =",[642,764,657],{"class":710},[642,766,714],{"class":720},[642,768,769],{"class":656},"log",[642,771,772],{"class":652},",",[642,774,775],{"class":656}," session",[642,777,738],{"class":720},[642,779,781,784,787,790,793],{"class":644,"line":780},6,[642,782,783],{"class":648},"  if",[642,785,786],{"class":720}," (",[642,788,789],{"class":656},"identified",[642,791,792],{"class":720},") ",[642,794,750],{"class":652},[642,796,798,801,803,806,808,810,813,815,817,820,823,825],{"class":644,"line":797},7,[642,799,800],{"class":656},"    log",[642,802,702],{"class":652},[642,804,805],{"class":710},"set",[642,807,714],{"class":720},[642,809,717],{"class":652},[642,811,812],{"class":720}," subscription",[642,814,724],{"class":652},[642,816,666],{"class":652},[642,818,819],{"class":669},"premium",[642,821,822],{"class":652},"'",[642,824,660],{"class":652},[642,826,738],{"class":720},[642,828,830],{"class":644,"line":829},8,[642,831,832],{"class":652},"  }\n",[642,834,836],{"class":644,"line":835},9,[642,837,838],{"class":652},"}\n",[840,841,842,846],"tip",{},[843,844,845],"strong",{},"Safe by default."," Only whitelisted fields are extracted, and passwords, tokens, and secrets are never written to the logger.",[848,849,346],"h2",{"id":850},"options",[852,853,854,873],"table",{},[855,856,857],"thead",{},[858,859,860,864,867,870],"tr",{},[861,862,863],"th",{},"Option",[861,865,866],{},"Type",[861,868,869],{},"Default",[861,871,872],{},"Description",[874,875,876,899,931,951],"tbody",{},[858,877,878,884,889,893],{},[879,880,881],"td",{},[612,882,883],{},"maskEmail",[879,885,886],{},[612,887,888],{},"boolean",[879,890,891],{},[612,892,629],{},[879,894,895,896,702],{},"Mask emails as ",[612,897,898],{},"h***@example.com",[858,900,901,906,910,914],{},[879,902,903],{},[612,904,905],{},"session",[879,907,908],{},[612,909,888],{},[879,911,912],{},[612,913,625],{},[879,915,916,917,920,921,920,924,920,927,930],{},"Include session metadata (",[612,918,919],{},"session.id",", ",[612,922,923],{},"session.expiresAt",[612,925,926],{},"session.ipAddress",[612,928,929],{},"session.userAgent",").",[858,932,933,938,943,948],{},[879,934,935],{},[612,936,937],{},"fields",[879,939,940],{},[612,941,942],{},"string[]",[879,944,945],{},[612,946,947],{},"['id', 'name', 'email', 'image', 'emailVerified', 'createdAt']",[879,949,950],{},"User fields to extract.",[858,952,953,958,963,968],{},[879,954,955],{},[612,956,957],{},"extend",[879,959,960],{},[612,961,962],{},"(session) => Record\u003Cstring, unknown>",[879,964,965],{},[612,966,967],{},"undefined",[879,969,970],{},"Add custom fields from Better Auth plugins (organizations, roles, etc.).",[632,972,975],{"className":634,"code":973,"filename":974,"language":637,"meta":638,"style":638},"identifyUser(log, session, {\n  maskEmail: true,\n  fields: ['id', 'name'],\n  session: false,\n})\n","services\u002Fcheckout.ts",[612,976,977,993,1007,1038,1050],{"__ignoreMap":638},[642,978,979,981,984,986,988,990],{"class":644,"line":645},[642,980,604],{"class":710},[642,982,983],{"class":656},"(log",[642,985,772],{"class":652},[642,987,775],{"class":656},[642,989,772],{"class":652},[642,991,992],{"class":652}," {\n",[642,994,995,998,1000,1004],{"class":644,"line":676},[642,996,997],{"class":720},"  maskEmail",[642,999,724],{"class":652},[642,1001,1003],{"class":1002},"sfNiH"," true",[642,1005,1006],{"class":652},",\n",[642,1008,1009,1012,1014,1017,1019,1022,1024,1026,1028,1031,1033,1036],{"class":644,"line":683},[642,1010,1011],{"class":720},"  fields",[642,1013,724],{"class":652},[642,1015,1016],{"class":656}," [",[642,1018,822],{"class":652},[642,1020,1021],{"class":669},"id",[642,1023,822],{"class":652},[642,1025,772],{"class":652},[642,1027,666],{"class":652},[642,1029,1030],{"class":669},"name",[642,1032,822],{"class":652},[642,1034,1035],{"class":656},"]",[642,1037,1006],{"class":652},[642,1039,1040,1043,1045,1048],{"class":644,"line":741},[642,1041,1042],{"class":720},"  session",[642,1044,724],{"class":652},[642,1046,1047],{"class":1002}," false",[642,1049,1006],{"class":652},[642,1051,1052,1054],{"class":644,"line":753},[642,1053,735],{"class":652},[642,1055,738],{"class":656},[848,1057,1059],{"id":1058},"mask-emails","Mask emails",[609,1061,1062],{},"Emails are PII. In environments where the audit\u002Flog trail might be reviewed by support or third parties, mask them:",[632,1064,1066],{"className":634,"code":1065,"language":637,"meta":638,"style":638},"identifyUser(log, session, { maskEmail: true })\n",[612,1067,1068],{"__ignoreMap":638},[642,1069,1070,1072,1074,1076,1078,1080,1082,1085,1087,1089,1091],{"class":644,"line":645},[642,1071,604],{"class":710},[642,1073,983],{"class":656},[642,1075,772],{"class":652},[642,1077,775],{"class":656},[642,1079,772],{"class":652},[642,1081,653],{"class":652},[642,1083,1084],{"class":720}," maskEmail",[642,1086,724],{"class":652},[642,1088,1003],{"class":1002},[642,1090,660],{"class":652},[642,1092,738],{"class":656},[609,1094,1095,1096,1098],{},"The ",[612,1097,883],{}," helper is also exported on its own:",[632,1100,1102],{"className":634,"code":1101,"language":637,"meta":638,"style":638},"import { maskEmail } from 'evlog\u002Fbetter-auth'\n\nmaskEmail('hugo@example.com') \u002F\u002F 'h***@example.com'\n",[612,1103,1104,1122,1126],{"__ignoreMap":638},[642,1105,1106,1108,1110,1112,1114,1116,1118,1120],{"class":644,"line":645},[642,1107,649],{"class":648},[642,1109,653],{"class":652},[642,1111,1084],{"class":656},[642,1113,660],{"class":652},[642,1115,663],{"class":648},[642,1117,666],{"class":652},[642,1119,670],{"class":669},[642,1121,673],{"class":652},[642,1123,1124],{"class":644,"line":676},[642,1125,680],{"emptyLinePlaceholder":679},[642,1127,1128,1130,1132,1134,1137,1139,1141],{"class":644,"line":683},[642,1129,883],{"class":710},[642,1131,714],{"class":656},[642,1133,822],{"class":652},[642,1135,1136],{"class":669},"hugo@example.com",[642,1138,822],{"class":652},[642,1140,792],{"class":656},[642,1142,1144],{"class":1143},"sHwdD","\u002F\u002F 'h***@example.com'\n",[848,1146,1148],{"id":1147},"capture-plugin-fields","Capture plugin fields",[609,1150,1151,1152,1154],{},"Better Auth ships with plugins (organizations, 2FA, roles, admin) that add fields to the session. Use ",[612,1153,957],{}," to surface them on the wide event:",[632,1156,1159],{"className":634,"code":1157,"filename":1158,"language":637,"meta":638,"style":638},"import { createAuthMiddleware } from 'evlog\u002Fbetter-auth'\n\nconst identify = createAuthMiddleware(auth, {\n  extend: (session) => ({\n    organization: session.user.activeOrganization,\n    role: session.user.role,\n  }),\n})\n","server\u002Fmiddleware\u002Fauth-identify.ts",[612,1160,1161,1180,1184,1202,1224,1245,1265,1274],{"__ignoreMap":638},[642,1162,1163,1165,1167,1170,1172,1174,1176,1178],{"class":644,"line":645},[642,1164,649],{"class":648},[642,1166,653],{"class":652},[642,1168,1169],{"class":656}," createAuthMiddleware",[642,1171,660],{"class":652},[642,1173,663],{"class":648},[642,1175,666],{"class":652},[642,1177,670],{"class":669},[642,1179,673],{"class":652},[642,1181,1182],{"class":644,"line":676},[642,1183,680],{"emptyLinePlaceholder":679},[642,1185,1186,1188,1191,1193,1195,1198,1200],{"class":644,"line":683},[642,1187,687],{"class":686},[642,1189,1190],{"class":656}," identify ",[642,1192,693],{"class":652},[642,1194,1169],{"class":710},[642,1196,1197],{"class":656},"(auth",[642,1199,772],{"class":652},[642,1201,992],{"class":652},[642,1203,1204,1207,1209,1211,1214,1217,1220,1222],{"class":644,"line":741},[642,1205,1206],{"class":710},"  extend",[642,1208,724],{"class":652},[642,1210,786],{"class":652},[642,1212,905],{"class":1213},"sHdIc",[642,1215,1216],{"class":652},")",[642,1218,1219],{"class":686}," =>",[642,1221,786],{"class":656},[642,1223,750],{"class":652},[642,1225,1226,1229,1231,1233,1235,1238,1240,1243],{"class":644,"line":753},[642,1227,1228],{"class":720},"    organization",[642,1230,724],{"class":652},[642,1232,775],{"class":656},[642,1234,702],{"class":652},[642,1236,1237],{"class":656},"user",[642,1239,702],{"class":652},[642,1241,1242],{"class":656},"activeOrganization",[642,1244,1006],{"class":652},[642,1246,1247,1250,1252,1254,1256,1258,1260,1263],{"class":644,"line":780},[642,1248,1249],{"class":720},"    role",[642,1251,724],{"class":652},[642,1253,775],{"class":656},[642,1255,702],{"class":652},[642,1257,1237],{"class":656},[642,1259,702],{"class":652},[642,1261,1262],{"class":656},"role",[642,1264,1006],{"class":652},[642,1266,1267,1270,1272],{"class":644,"line":797},[642,1268,1269],{"class":652},"  }",[642,1271,1216],{"class":656},[642,1273,1006],{"class":652},[642,1275,1276,1278],{"class":644,"line":829},[642,1277,735],{"class":652},[642,1279,738],{"class":656},[609,1281,1282],{},"Wide event with plugin fields:",[632,1284,1289],{"className":1285,"code":1286,"filename":1287,"language":1288,"meta":638,"style":638},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"userId\": \"QBX9tPjJQExWawAbNll75\",\n  \"user\": { \"id\": \"QBX9tPjJQExWawAbNll75\", \"name\": \"Hugo Richard\" },\n  \"organization\": { \"id\": \"org_42\", \"name\": \"Acme\" },\n  \"role\": \"admin\"\n}\n","Wide Event","json",[612,1290,1291,1295,1318,1365,1412,1430],{"__ignoreMap":638},[642,1292,1293],{"class":644,"line":645},[642,1294,750],{"class":652},[642,1296,1297,1300,1303,1306,1308,1311,1314,1316],{"class":644,"line":676},[642,1298,1299],{"class":652},"  \"",[642,1301,1302],{"class":686},"userId",[642,1304,1305],{"class":652},"\"",[642,1307,724],{"class":652},[642,1309,1310],{"class":652}," \"",[642,1312,1313],{"class":669},"QBX9tPjJQExWawAbNll75",[642,1315,1305],{"class":652},[642,1317,1006],{"class":652},[642,1319,1320,1322,1324,1326,1328,1330,1332,1335,1337,1339,1341,1343,1345,1347,1349,1351,1353,1355,1357,1360,1362],{"class":644,"line":683},[642,1321,1299],{"class":652},[642,1323,1237],{"class":686},[642,1325,1305],{"class":652},[642,1327,724],{"class":652},[642,1329,653],{"class":652},[642,1331,1310],{"class":652},[642,1333,1021],{"class":1334},"sBMFI",[642,1336,1305],{"class":652},[642,1338,724],{"class":652},[642,1340,1310],{"class":652},[642,1342,1313],{"class":669},[642,1344,1305],{"class":652},[642,1346,772],{"class":652},[642,1348,1310],{"class":652},[642,1350,1030],{"class":1334},[642,1352,1305],{"class":652},[642,1354,724],{"class":652},[642,1356,1310],{"class":652},[642,1358,1359],{"class":669},"Hugo Richard",[642,1361,1305],{"class":652},[642,1363,1364],{"class":652}," },\n",[642,1366,1367,1369,1372,1374,1376,1378,1380,1382,1384,1386,1388,1391,1393,1395,1397,1399,1401,1403,1405,1408,1410],{"class":644,"line":741},[642,1368,1299],{"class":652},[642,1370,1371],{"class":686},"organization",[642,1373,1305],{"class":652},[642,1375,724],{"class":652},[642,1377,653],{"class":652},[642,1379,1310],{"class":652},[642,1381,1021],{"class":1334},[642,1383,1305],{"class":652},[642,1385,724],{"class":652},[642,1387,1310],{"class":652},[642,1389,1390],{"class":669},"org_42",[642,1392,1305],{"class":652},[642,1394,772],{"class":652},[642,1396,1310],{"class":652},[642,1398,1030],{"class":1334},[642,1400,1305],{"class":652},[642,1402,724],{"class":652},[642,1404,1310],{"class":652},[642,1406,1407],{"class":669},"Acme",[642,1409,1305],{"class":652},[642,1411,1364],{"class":652},[642,1413,1414,1416,1418,1420,1422,1424,1427],{"class":644,"line":753},[642,1415,1299],{"class":652},[642,1417,1262],{"class":686},[642,1419,1305],{"class":652},[642,1421,724],{"class":652},[642,1423,1310],{"class":652},[642,1425,1426],{"class":669},"admin",[642,1428,1429],{"class":652},"\"\n",[642,1431,1432],{"class":644,"line":780},[642,1433,838],{"class":652},[840,1435,1436,1437,1439],{},"Keep 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