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The defaults stay quiet, and they stay safe: nothing a model was sent or returned reaches your drain until you ask for it by name.",[612,613,614,633],"table",{},[615,616,617],"thead",{},[618,619,620,624,627,630],"tr",{},[621,622,623],"th",{},"Option",[621,625,626],{},"Type",[621,628,629],{},"Default",[621,631,632],{},"Description",[634,635,636,657,680,701],"tbody",{},[618,637,638,644,649,654],{},[639,640,641],"td",{},[607,642,643],{},"toolInputs",[639,645,646],{},[607,647,648],{},"boolean | ToolInputsOptions",[639,650,651],{},[607,652,653],{},"false",[639,655,656],{},"Capture tool call inputs alongside their names (off by default to avoid leaking sensitive data).",[618,658,659,664,669,673],{},[639,660,661],{},[607,662,663],{},"prompt",[639,665,666],{},[607,667,668],{},"boolean | CaptureOptions",[639,670,671],{},[607,672,653],{},[639,674,675,676,679],{},"Capture the prompt sent to the first model call as ",[607,677,678],{},"ai.prompt"," (off by default to avoid leaking sensitive data).",[618,681,682,687,691,695],{},[639,683,684],{},[607,685,686],{},"output",[639,688,689],{},[607,690,668],{},[639,692,693],{},[607,694,653],{},[639,696,697,698,679],{},"Capture the text generated by the last model call as ",[607,699,700],{},"ai.output",[618,702,703,708,713,718],{},[639,704,705],{},[607,706,707],{},"cost",[639,709,710],{},[607,711,712],{},"Record\u003Cstring, ModelCost>",[639,714,715],{},[607,716,717],{},"undefined",[639,719,720,721,724],{},"Pricing map. Keys are model IDs, values are ",[607,722,723],{},"{ input, output }"," in dollars per 1M tokens.",[726,727,729],"h2",{"id":728},"tool-inputs","Tool Inputs",[604,731,732,733,736,737,740,741,743],{},"By default, ",[607,734,735],{},"ai.toolCalls"," is a ",[607,738,739],{},"string[]"," of tool names. Enable ",[607,742,643],{}," to capture inputs too, which suits debugging agent behaviour or auditing what data the model reached for.",[745,746,747,748,751,752,755],"warning",{},"Tool inputs get large, and they carry SQL, API keys and customer PII. Reach for ",[607,749,750],{},"maxLength"," and ",[607,753,754],{},"transform"," before raw capture in production.",[757,758,760],"h3",{"id":759},"capture-everything","Capture everything",[762,763,768],"pre",{"className":764,"code":765,"language":766,"meta":767,"style":767},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","const ai = createAILogger(log, { toolInputs: true })\n","typescript","",[607,769,770],{"__ignoreMap":767},[771,772,775,779,783,787,791,794,797,800,804,807,811,814],"span",{"class":773,"line":774},"line",1,[771,776,778],{"class":777},"spNyl","const",[771,780,782],{"class":781},"sTEyZ"," ai ",[771,784,786],{"class":785},"sMK4o","=",[771,788,790],{"class":789},"s2Zo4"," createAILogger",[771,792,793],{"class":781},"(log",[771,795,796],{"class":785},",",[771,798,799],{"class":785}," {",[771,801,803],{"class":802},"swJcz"," toolInputs",[771,805,806],{"class":785},":",[771,808,810],{"class":809},"sfNiH"," true",[771,812,813],{"class":785}," }",[771,815,816],{"class":781},")\n",[757,818,820],{"id":819},"truncate-long-inputs","Truncate long inputs",[762,822,824],{"className":764,"code":823,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, { toolInputs: { maxLength: 200 } })\n",[607,825,826],{"__ignoreMap":767},[771,827,828,830,832,834,836,838,840,842,844,846,848,851,853,857,859,861],{"class":773,"line":774},[771,829,778],{"class":777},[771,831,782],{"class":781},[771,833,786],{"class":785},[771,835,790],{"class":789},[771,837,793],{"class":781},[771,839,796],{"class":785},[771,841,799],{"class":785},[771,843,803],{"class":802},[771,845,806],{"class":785},[771,847,799],{"class":785},[771,849,850],{"class":802}," maxLength",[771,852,806],{"class":785},[771,854,856],{"class":855},"sbssI"," 200",[771,858,813],{"class":785},[771,860,813],{"class":785},[771,862,816],{"class":781},[757,864,866],{"id":865},"redact-sensitive-fields","Redact sensitive fields",[762,868,870],{"className":764,"code":869,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, {\n  toolInputs: {\n    maxLength: 500,\n    transform: (input, toolName) => {\n      if (toolName === 'queryDB') return { sql: '***' }\n      return input\n    },\n  },\n})\n",[607,871,872,889,899,913,941,989,998,1004,1010],{"__ignoreMap":767},[771,873,874,876,878,880,882,884,886],{"class":773,"line":774},[771,875,778],{"class":777},[771,877,782],{"class":781},[771,879,786],{"class":785},[771,881,790],{"class":789},[771,883,793],{"class":781},[771,885,796],{"class":785},[771,887,888],{"class":785}," {\n",[771,890,892,895,897],{"class":773,"line":891},2,[771,893,894],{"class":802},"  toolInputs",[771,896,806],{"class":785},[771,898,888],{"class":785},[771,900,902,905,907,910],{"class":773,"line":901},3,[771,903,904],{"class":802},"    maxLength",[771,906,806],{"class":785},[771,908,909],{"class":855}," 500",[771,911,912],{"class":785},",\n",[771,914,916,919,921,924,928,930,933,936,939],{"class":773,"line":915},4,[771,917,918],{"class":789},"    transform",[771,920,806],{"class":785},[771,922,923],{"class":785}," (",[771,925,927],{"class":926},"sHdIc","input",[771,929,796],{"class":785},[771,931,932],{"class":926}," toolName",[771,934,935],{"class":785},")",[771,937,938],{"class":777}," =>",[771,940,888],{"class":785},[771,942,944,948,950,953,956,959,963,966,969,972,974,977,979,981,984,986],{"class":773,"line":943},5,[771,945,947],{"class":946},"s7zQu","      if",[771,949,923],{"class":802},[771,951,952],{"class":781},"toolName",[771,954,955],{"class":785}," ===",[771,957,958],{"class":785}," '",[771,960,962],{"class":961},"sfazB","queryDB",[771,964,965],{"class":785},"'",[771,967,968],{"class":802},") ",[771,970,971],{"class":946},"return",[771,973,799],{"class":785},[771,975,976],{"class":802}," sql",[771,978,806],{"class":785},[771,980,958],{"class":785},[771,982,983],{"class":961},"***",[771,985,965],{"class":785},[771,987,988],{"class":785}," }\n",[771,990,992,995],{"class":773,"line":991},6,[771,993,994],{"class":946},"      return",[771,996,997],{"class":781}," input\n",[771,999,1001],{"class":773,"line":1000},7,[771,1002,1003],{"class":785},"    },\n",[771,1005,1007],{"class":773,"line":1006},8,[771,1008,1009],{"class":785},"  },\n",[771,1011,1013,1016],{"class":773,"line":1012},9,[771,1014,1015],{"class":785},"}",[771,1017,816],{"class":781},[612,1019,1020,1031],{},[615,1021,1022],{},[618,1023,1024,1027,1029],{},[621,1025,1026],{},"Sub-option",[621,1028,626],{},[621,1030,632],{},[634,1032,1033,1051],{},[618,1034,1035,1039,1044],{},[639,1036,1037],{},[607,1038,750],{},[639,1040,1041],{},[607,1042,1043],{},"number",[639,1045,1046,1047,1050],{},"Truncate stringified inputs exceeding this character length (appends ",[607,1048,1049],{},"…",").",[618,1052,1053,1057,1062],{},[639,1054,1055],{},[607,1056,754],{},[639,1058,1059],{},[607,1060,1061],{},"(input, toolName) => unknown",[639,1063,1064,1065,1067],{},"Custom transform applied before ",[607,1066,750],{},". Use to redact fields or reshape data.",[604,1069,1070,1071,1073,1074,1076,1077,1080],{},"When ",[607,1072,643],{}," is enabled, ",[607,1075,735],{}," becomes an ",[607,1078,1079],{},"Array\u003C{ name, input }>"," instead of a plain string array.",[726,1082,1084],{"id":1083},"prompt-and-output-capture","Prompt and Output Capture",[604,1086,1087,1088,1090,1091,1093],{},"By default, nothing the model was sent or returned reaches your drain. Two independent options turn capture on, one per direction: ",[607,1089,663],{}," records what was sent, ",[607,1092,686],{}," records what came back. Enable one, the other, or both.",[762,1095,1097],{"className":764,"code":1096,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, { prompt: true, output: true })\n",[607,1098,1099],{"__ignoreMap":767},[771,1100,1101,1103,1105,1107,1109,1111,1113,1115,1118,1120,1122,1124,1127,1129,1131,1133],{"class":773,"line":774},[771,1102,778],{"class":777},[771,1104,782],{"class":781},[771,1106,786],{"class":785},[771,1108,790],{"class":789},[771,1110,793],{"class":781},[771,1112,796],{"class":785},[771,1114,799],{"class":785},[771,1116,1117],{"class":802}," prompt",[771,1119,806],{"class":785},[771,1121,810],{"class":809},[771,1123,796],{"class":785},[771,1125,1126],{"class":802}," output",[771,1128,806],{"class":785},[771,1130,810],{"class":809},[771,1132,813],{"class":785},[771,1134,816],{"class":781},[604,1136,1137],{},"The wide event then carries:",[1139,1140,1141,1164],"ul",{},[1142,1143,1144,1146,1147,1151,1152,1155,1156,1159,1160,1163],"li",{},[607,1145,678],{},": the formatted text of the prompt sent to the ",[1148,1149,1150],"strong",{},"first"," model call. One block per message prefixed with its role; text parts are inlined, and other part types become ",[607,1153,1154],{},"[tool-call name]",", ",[607,1157,1158],{},"[tool-result name]"," or ",[607,1161,1162],{},"[file]"," markers.",[1142,1165,1166,1168,1169,1172],{},[607,1167,700],{},": the text generated by the ",[1148,1170,1171],{},"last"," model call, the final answer in a multi-step run. Streamed responses accumulate from the text chunks.",[604,1174,1175],{},"Capture only the direction you need:",[762,1177,1179],{"className":764,"code":1178,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, { prompt: true }) \u002F\u002F ai.prompt only\nconst ai = createAILogger(log, { output: true }) \u002F\u002F ai.output only\n",[607,1180,1181,1211],{"__ignoreMap":767},[771,1182,1183,1185,1187,1189,1191,1193,1195,1197,1199,1201,1203,1205,1207],{"class":773,"line":774},[771,1184,778],{"class":777},[771,1186,782],{"class":781},[771,1188,786],{"class":785},[771,1190,790],{"class":789},[771,1192,793],{"class":781},[771,1194,796],{"class":785},[771,1196,799],{"class":785},[771,1198,1117],{"class":802},[771,1200,806],{"class":785},[771,1202,810],{"class":809},[771,1204,813],{"class":785},[771,1206,968],{"class":781},[771,1208,1210],{"class":1209},"sHwdD","\u002F\u002F ai.prompt only\n",[771,1212,1213,1215,1217,1219,1221,1223,1225,1227,1229,1231,1233,1235,1237],{"class":773,"line":891},[771,1214,778],{"class":777},[771,1216,782],{"class":781},[771,1218,786],{"class":785},[771,1220,790],{"class":789},[771,1222,793],{"class":781},[771,1224,796],{"class":785},[771,1226,799],{"class":785},[771,1228,1126],{"class":802},[771,1230,806],{"class":785},[771,1232,810],{"class":809},[771,1234,813],{"class":785},[771,1236,968],{"class":781},[771,1238,1239],{"class":1209},"\u002F\u002F ai.output only\n",[745,1241,1242,1243,751,1245,755],{},"Prompts and outputs can be large, and they carry whatever your users typed. Reach for ",[607,1244,750],{},[607,1246,754],{},[757,1248,1250],{"id":1249},"truncate-long-content","Truncate long content",[604,1252,1253,1254,806],{},"Each option takes its own ",[607,1255,750],{},[762,1257,1259],{"className":764,"code":1258,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, { prompt: { maxLength: 500 } })\n",[607,1260,1261],{"__ignoreMap":767},[771,1262,1263,1265,1267,1269,1271,1273,1275,1277,1279,1281,1283,1285,1287,1289,1291,1293],{"class":773,"line":774},[771,1264,778],{"class":777},[771,1266,782],{"class":781},[771,1268,786],{"class":785},[771,1270,790],{"class":789},[771,1272,793],{"class":781},[771,1274,796],{"class":785},[771,1276,799],{"class":785},[771,1278,1117],{"class":802},[771,1280,806],{"class":785},[771,1282,799],{"class":785},[771,1284,850],{"class":802},[771,1286,806],{"class":785},[771,1288,909],{"class":855},[771,1290,813],{"class":785},[771,1292,813],{"class":785},[771,1294,816],{"class":781},[757,1296,1298],{"id":1297},"redact-or-reshape","Redact or reshape",[604,1300,1301,1303,1304,806],{},[607,1302,754],{}," receives the captured text and runs before ",[607,1305,750],{},[762,1307,1309],{"className":764,"code":1308,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, {\n  prompt: {\n    maxLength: 500,\n    transform: text => redact(text),\n  },\n})\n",[607,1310,1311,1327,1336,1346,1365,1369],{"__ignoreMap":767},[771,1312,1313,1315,1317,1319,1321,1323,1325],{"class":773,"line":774},[771,1314,778],{"class":777},[771,1316,782],{"class":781},[771,1318,786],{"class":785},[771,1320,790],{"class":789},[771,1322,793],{"class":781},[771,1324,796],{"class":785},[771,1326,888],{"class":785},[771,1328,1329,1332,1334],{"class":773,"line":891},[771,1330,1331],{"class":802},"  prompt",[771,1333,806],{"class":785},[771,1335,888],{"class":785},[771,1337,1338,1340,1342,1344],{"class":773,"line":901},[771,1339,904],{"class":802},[771,1341,806],{"class":785},[771,1343,909],{"class":855},[771,1345,912],{"class":785},[771,1347,1348,1350,1352,1355,1357,1360,1363],{"class":773,"line":915},[771,1349,918],{"class":789},[771,1351,806],{"class":785},[771,1353,1354],{"class":926}," text",[771,1356,938],{"class":777},[771,1358,1359],{"class":789}," redact",[771,1361,1362],{"class":781},"(text)",[771,1364,912],{"class":785},[771,1366,1367],{"class":773,"line":943},[771,1368,1009],{"class":785},[771,1370,1371,1373],{"class":773,"line":991},[771,1372,1015],{"class":785},[771,1374,816],{"class":781},[612,1376,1377,1387],{},[615,1378,1379],{},[618,1380,1381,1383,1385],{},[621,1382,1026],{},[621,1384,626],{},[621,1386,632],{},[634,1388,1389,1404],{},[618,1390,1391,1395,1399],{},[639,1392,1393],{},[607,1394,750],{},[639,1396,1397],{},[607,1398,1043],{},[639,1400,1401,1402,1050],{},"Truncate captured text exceeding this character length (appends ",[607,1403,1049],{},[618,1405,1406,1410,1415],{},[639,1407,1408],{},[607,1409,754],{},[639,1411,1412],{},[607,1413,1414],{},"(content) => string",[639,1416,1064,1417,1419],{},[607,1418,750],{},".",[1421,1422,1423,1424,751,1427,1430,1431,1434,1435,751,1437,1439],"note",{},"Prompt and output capture is a middleware capability: it works with ",[607,1425,1426],{},"createAILogger",[607,1428,1429],{},"createAIMiddleware",". The standalone ",[607,1432,1433],{},"createEvlogIntegration"," observes telemetry events and has no access to the model call parameters, so ",[607,1436,678],{},[607,1438,700],{}," stay absent there.",[726,1441,1443],{"id":1442},"cost-estimation","Cost Estimation",[604,1445,1446,1447,1449,1450,1453],{},"Pass a ",[607,1448,707],{}," map to compute estimated dollar cost per call. The middleware multiplies token usage by the per-million rates and sets ",[607,1451,1452],{},"ai.estimatedCost"," on the wide event.",[762,1455,1457],{"className":764,"code":1456,"language":766,"meta":767,"style":767},"const ai = createAILogger(log, {\n  cost: {\n    'claude-sonnet-4.6': { input: 3, output: 15 },\n    'gpt-4o': { input: 2.5, output: 10 },\n  },\n})\n",[607,1458,1459,1475,1484,1518,1549,1553],{"__ignoreMap":767},[771,1460,1461,1463,1465,1467,1469,1471,1473],{"class":773,"line":774},[771,1462,778],{"class":777},[771,1464,782],{"class":781},[771,1466,786],{"class":785},[771,1468,790],{"class":789},[771,1470,793],{"class":781},[771,1472,796],{"class":785},[771,1474,888],{"class":785},[771,1476,1477,1480,1482],{"class":773,"line":891},[771,1478,1479],{"class":802},"  cost",[771,1481,806],{"class":785},[771,1483,888],{"class":785},[771,1485,1486,1489,1492,1494,1496,1498,1501,1503,1506,1508,1510,1512,1515],{"class":773,"line":901},[771,1487,1488],{"class":785},"    '",[771,1490,1491],{"class":802},"claude-sonnet-4.6",[771,1493,965],{"class":785},[771,1495,806],{"class":785},[771,1497,799],{"class":785},[771,1499,1500],{"class":802}," input",[771,1502,806],{"class":785},[771,1504,1505],{"class":855}," 3",[771,1507,796],{"class":785},[771,1509,1126],{"class":802},[771,1511,806],{"class":785},[771,1513,1514],{"class":855}," 15",[771,1516,1517],{"class":785}," },\n",[771,1519,1520,1522,1525,1527,1529,1531,1533,1535,1538,1540,1542,1544,1547],{"class":773,"line":915},[771,1521,1488],{"class":785},[771,1523,1524],{"class":802},"gpt-4o",[771,1526,965],{"class":785},[771,1528,806],{"class":785},[771,1530,799],{"class":785},[771,1532,1500],{"class":802},[771,1534,806],{"class":785},[771,1536,1537],{"class":855}," 2.5",[771,1539,796],{"class":785},[771,1541,1126],{"class":802},[771,1543,806],{"class":785},[771,1545,1546],{"class":855}," 10",[771,1548,1517],{"class":785},[771,1550,1551],{"class":773,"line":943},[771,1552,1009],{"class":785},[771,1554,1555,1557],{"class":773,"line":991},[771,1556,1015],{"class":785},[771,1558,816],{"class":781},[604,1560,1561,1562,1568],{},"Read the result from your handler with ",[1563,1564,1565],"a",{"href":352},[607,1566,1567],{},"ai.getEstimatedCost()",", which suits billing dashboards or warning users before expensive calls.",[1570,1571,1572,1573,1575],"tip",{},"Keep your ",[607,1574,707],{}," map in one file alongside model selection so renaming a model in production also updates pricing. Per-route maps drift the moment two routes disagree about which model they call, so keep one.",[726,1577,1579],{"id":1578},"error-handling","Error Handling",[604,1581,1582],{},"If a model call fails, the middleware captures the error into the wide event before re-throwing:",[762,1584,1589],{"className":1585,"code":1586,"filename":1587,"language":1588,"meta":767,"style":767},"language-json shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","{\n  \"ai\": {\n    \"calls\": 1,\n    \"model\": \"claude-sonnet-4.6\",\n    \"provider\": \"anthropic\",\n    \"finishReason\": \"error\",\n    \"error\": \"API rate limit exceeded\"\n  }\n}\n","Wide Event","json",[607,1590,1591,1596,1611,1629,1649,1669,1689,1707,1712],{"__ignoreMap":767},[771,1592,1593],{"class":773,"line":774},[771,1594,1595],{"class":785},"{\n",[771,1597,1598,1601,1604,1607,1609],{"class":773,"line":891},[771,1599,1600],{"class":785},"  \"",[771,1602,1603],{"class":777},"ai",[771,1605,1606],{"class":785},"\"",[771,1608,806],{"class":785},[771,1610,888],{"class":785},[771,1612,1613,1616,1620,1622,1624,1627],{"class":773,"line":901},[771,1614,1615],{"class":785},"    \"",[771,1617,1619],{"class":1618},"sBMFI","calls",[771,1621,1606],{"class":785},[771,1623,806],{"class":785},[771,1625,1626],{"class":855}," 1",[771,1628,912],{"class":785},[771,1630,1631,1633,1636,1638,1640,1643,1645,1647],{"class":773,"line":915},[771,1632,1615],{"class":785},[771,1634,1635],{"class":1618},"model",[771,1637,1606],{"class":785},[771,1639,806],{"class":785},[771,1641,1642],{"class":785}," \"",[771,1644,1491],{"class":961},[771,1646,1606],{"class":785},[771,1648,912],{"class":785},[771,1650,1651,1653,1656,1658,1660,1662,1665,1667],{"class":773,"line":943},[771,1652,1615],{"class":785},[771,1654,1655],{"class":1618},"provider",[771,1657,1606],{"class":785},[771,1659,806],{"class":785},[771,1661,1642],{"class":785},[771,1663,1664],{"class":961},"anthropic",[771,1666,1606],{"class":785},[771,1668,912],{"class":785},[771,1670,1671,1673,1676,1678,1680,1682,1685,1687],{"class":773,"line":991},[771,1672,1615],{"class":785},[771,1674,1675],{"class":1618},"finishReason",[771,1677,1606],{"class":785},[771,1679,806],{"class":785},[771,1681,1642],{"class":785},[771,1683,1684],{"class":961},"error",[771,1686,1606],{"class":785},[771,1688,912],{"class":785},[771,1690,1691,1693,1695,1697,1699,1701,1704],{"class":773,"line":1000},[771,1692,1615],{"class":785},[771,1694,1684],{"class":1618},[771,1696,1606],{"class":785},[771,1698,806],{"class":785},[771,1700,1642],{"class":785},[771,1702,1703],{"class":961},"API rate limit exceeded",[771,1705,1706],{"class":785},"\"\n",[771,1708,1709],{"class":773,"line":1006},[771,1710,1711],{"class":785},"  }\n",[771,1713,1714],{"class":773,"line":1012},[771,1715,1716],{"class":785},"}\n",[604,1718,1719,1720,1723],{},"Stream errors (e.g. content filter) are also captured from the stream's error chunks. 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