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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.",[595,596,597,616],"table",{},[598,599,600],"thead",{},[601,602,603,607,610,613],"tr",{},[604,605,606],"th",{},"Option",[604,608,609],{},"Type",[604,611,612],{},"Default",[604,614,615],{},"Description",[617,618,619,640,663,684],"tbody",{},[601,620,621,627,632,637],{},[622,623,624],"td",{},[590,625,626],{},"toolInputs",[622,628,629],{},[590,630,631],{},"boolean | ToolInputsOptions",[622,633,634],{},[590,635,636],{},"false",[622,638,639],{},"Capture tool call inputs alongside their names (off by default to avoid leaking sensitive data).",[601,641,642,647,652,656],{},[622,643,644],{},[590,645,646],{},"prompt",[622,648,649],{},[590,650,651],{},"boolean | CaptureOptions",[622,653,654],{},[590,655,636],{},[622,657,658,659,662],{},"Capture the prompt sent to the first model call as ",[590,660,661],{},"ai.prompt"," (off by default to avoid leaking sensitive data).",[601,664,665,670,674,678],{},[622,666,667],{},[590,668,669],{},"output",[622,671,672],{},[590,673,651],{},[622,675,676],{},[590,677,636],{},[622,679,680,681,662],{},"Capture the text generated by the last model call as ",[590,682,683],{},"ai.output",[601,685,686,691,696,701],{},[622,687,688],{},[590,689,690],{},"cost",[622,692,693],{},[590,694,695],{},"Record\u003Cstring, ModelCost>",[622,697,698],{},[590,699,700],{},"undefined",[622,702,703,704,707],{},"Pricing map. Keys are model IDs, values are ",[590,705,706],{},"{ input, output }"," in dollars per 1M tokens.",[709,710,712],"h2",{"id":711},"tool-inputs","Tool Inputs",[587,714,715,716,719,720,723,724,726],{},"By default, ",[590,717,718],{},"ai.toolCalls"," is a ",[590,721,722],{},"string[]"," of tool names. Enable ",[590,725,626],{}," to capture inputs too, which suits debugging agent behaviour or auditing what data the model reached for.",[728,729,730,731,734,735,738],"warning",{},"Tool inputs get large, and they carry SQL, API keys and customer PII. Reach for ",[590,732,733],{},"maxLength"," and ",[590,736,737],{},"transform"," before raw capture in production.",[740,741,743],"h3",{"id":742},"capture-everything","Capture everything",[745,746,751],"pre",{"className":747,"code":748,"language":749,"meta":750,"style":750},"language-typescript shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","const ai = createAILogger(log, { toolInputs: true })\n","typescript","",[590,752,753],{"__ignoreMap":750},[754,755,758,762,766,770,774,777,780,783,787,790,794,797],"span",{"class":756,"line":757},"line",1,[754,759,761],{"class":760},"spNyl","const",[754,763,765],{"class":764},"sTEyZ"," ai ",[754,767,769],{"class":768},"sMK4o","=",[754,771,773],{"class":772},"s2Zo4"," createAILogger",[754,775,776],{"class":764},"(log",[754,778,779],{"class":768},",",[754,781,782],{"class":768}," {",[754,784,786],{"class":785},"swJcz"," toolInputs",[754,788,789],{"class":768},":",[754,791,793],{"class":792},"sfNiH"," true",[754,795,796],{"class":768}," }",[754,798,799],{"class":764},")\n",[740,801,803],{"id":802},"truncate-long-inputs","Truncate long inputs",[745,805,807],{"className":747,"code":806,"language":749,"meta":750,"style":750},"const ai = createAILogger(log, { toolInputs: { maxLength: 200 } })\n",[590,808,809],{"__ignoreMap":750},[754,810,811,813,815,817,819,821,823,825,827,829,831,834,836,840,842,844],{"class":756,"line":757},[754,812,761],{"class":760},[754,814,765],{"class":764},[754,816,769],{"class":768},[754,818,773],{"class":772},[754,820,776],{"class":764},[754,822,779],{"class":768},[754,824,782],{"class":768},[754,826,786],{"class":785},[754,828,789],{"class":768},[754,830,782],{"class":768},[754,832,833],{"class":785}," maxLength",[754,835,789],{"class":768},[754,837,839],{"class":838},"sbssI"," 200",[754,841,796],{"class":768},[754,843,796],{"class":768},[754,845,799],{"class":764},[740,847,849],{"id":848},"redact-sensitive-fields","Redact sensitive fields",[745,851,853],{"className":747,"code":852,"language":749,"meta":750,"style":750},"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",[590,854,855,872,882,896,924,972,981,987,993],{"__ignoreMap":750},[754,856,857,859,861,863,865,867,869],{"class":756,"line":757},[754,858,761],{"class":760},[754,860,765],{"class":764},[754,862,769],{"class":768},[754,864,773],{"class":772},[754,866,776],{"class":764},[754,868,779],{"class":768},[754,870,871],{"class":768}," {\n",[754,873,875,878,880],{"class":756,"line":874},2,[754,876,877],{"class":785},"  toolInputs",[754,879,789],{"class":768},[754,881,871],{"class":768},[754,883,885,888,890,893],{"class":756,"line":884},3,[754,886,887],{"class":785},"    maxLength",[754,889,789],{"class":768},[754,891,892],{"class":838}," 500",[754,894,895],{"class":768},",\n",[754,897,899,902,904,907,911,913,916,919,922],{"class":756,"line":898},4,[754,900,901],{"class":772},"    transform",[754,903,789],{"class":768},[754,905,906],{"class":768}," (",[754,908,910],{"class":909},"sHdIc","input",[754,912,779],{"class":768},[754,914,915],{"class":909}," toolName",[754,917,918],{"class":768},")",[754,920,921],{"class":760}," =>",[754,923,871],{"class":768},[754,925,927,931,933,936,939,942,946,949,952,955,957,960,962,964,967,969],{"class":756,"line":926},5,[754,928,930],{"class":929},"s7zQu","      if",[754,932,906],{"class":785},[754,934,935],{"class":764},"toolName",[754,937,938],{"class":768}," ===",[754,940,941],{"class":768}," '",[754,943,945],{"class":944},"sfazB","queryDB",[754,947,948],{"class":768},"'",[754,950,951],{"class":785},") ",[754,953,954],{"class":929},"return",[754,956,782],{"class":768},[754,958,959],{"class":785}," sql",[754,961,789],{"class":768},[754,963,941],{"class":768},[754,965,966],{"class":944},"***",[754,968,948],{"class":768},[754,970,971],{"class":768}," }\n",[754,973,975,978],{"class":756,"line":974},6,[754,976,977],{"class":929},"      return",[754,979,980],{"class":764}," input\n",[754,982,984],{"class":756,"line":983},7,[754,985,986],{"class":768},"    },\n",[754,988,990],{"class":756,"line":989},8,[754,991,992],{"class":768},"  },\n",[754,994,996,999],{"class":756,"line":995},9,[754,997,998],{"class":768},"}",[754,1000,799],{"class":764},[595,1002,1003,1014],{},[598,1004,1005],{},[601,1006,1007,1010,1012],{},[604,1008,1009],{},"Sub-option",[604,1011,609],{},[604,1013,615],{},[617,1015,1016,1034],{},[601,1017,1018,1022,1027],{},[622,1019,1020],{},[590,1021,733],{},[622,1023,1024],{},[590,1025,1026],{},"number",[622,1028,1029,1030,1033],{},"Truncate stringified inputs exceeding this character length (appends ",[590,1031,1032],{},"…",").",[601,1035,1036,1040,1045],{},[622,1037,1038],{},[590,1039,737],{},[622,1041,1042],{},[590,1043,1044],{},"(input, toolName) => unknown",[622,1046,1047,1048,1050],{},"Custom transform applied before ",[590,1049,733],{},". Use to redact fields or reshape data.",[587,1052,1053,1054,1056,1057,1059,1060,1063],{},"When ",[590,1055,626],{}," is enabled, ",[590,1058,718],{}," becomes an ",[590,1061,1062],{},"Array\u003C{ name, input }>"," instead of a plain string array.",[709,1065,1067],{"id":1066},"prompt-and-output-capture","Prompt and Output Capture",[587,1069,1070,1071,1073,1074,1076],{},"By default, nothing the model was sent or returned reaches your drain. Two independent options turn capture on, one per direction: ",[590,1072,646],{}," records what was sent, ",[590,1075,669],{}," records what came back. Enable one, the other, or both.",[745,1078,1080],{"className":747,"code":1079,"language":749,"meta":750,"style":750},"const ai = createAILogger(log, { prompt: true, output: true })\n",[590,1081,1082],{"__ignoreMap":750},[754,1083,1084,1086,1088,1090,1092,1094,1096,1098,1101,1103,1105,1107,1110,1112,1114,1116],{"class":756,"line":757},[754,1085,761],{"class":760},[754,1087,765],{"class":764},[754,1089,769],{"class":768},[754,1091,773],{"class":772},[754,1093,776],{"class":764},[754,1095,779],{"class":768},[754,1097,782],{"class":768},[754,1099,1100],{"class":785}," prompt",[754,1102,789],{"class":768},[754,1104,793],{"class":792},[754,1106,779],{"class":768},[754,1108,1109],{"class":785}," output",[754,1111,789],{"class":768},[754,1113,793],{"class":792},[754,1115,796],{"class":768},[754,1117,799],{"class":764},[587,1119,1120],{},"The wide event then carries:",[1122,1123,1124,1147],"ul",{},[1125,1126,1127,1129,1130,1134,1135,1138,1139,1142,1143,1146],"li",{},[590,1128,661],{},": the formatted text of the prompt sent to the ",[1131,1132,1133],"strong",{},"first"," model call. One block per message prefixed with its role; text parts are inlined, and other part types become ",[590,1136,1137],{},"[tool-call name]",", ",[590,1140,1141],{},"[tool-result name]"," or ",[590,1144,1145],{},"[file]"," markers.",[1125,1148,1149,1151,1152,1155],{},[590,1150,683],{},": the text generated by the ",[1131,1153,1154],{},"last"," model call, the final answer in a multi-step run. Streamed responses accumulate from the text chunks.",[587,1157,1158],{},"Capture only the direction you need:",[745,1160,1162],{"className":747,"code":1161,"language":749,"meta":750,"style":750},"const ai = createAILogger(log, { prompt: true }) \u002F\u002F ai.prompt only\nconst ai = createAILogger(log, { output: true }) \u002F\u002F ai.output only\n",[590,1163,1164,1194],{"__ignoreMap":750},[754,1165,1166,1168,1170,1172,1174,1176,1178,1180,1182,1184,1186,1188,1190],{"class":756,"line":757},[754,1167,761],{"class":760},[754,1169,765],{"class":764},[754,1171,769],{"class":768},[754,1173,773],{"class":772},[754,1175,776],{"class":764},[754,1177,779],{"class":768},[754,1179,782],{"class":768},[754,1181,1100],{"class":785},[754,1183,789],{"class":768},[754,1185,793],{"class":792},[754,1187,796],{"class":768},[754,1189,951],{"class":764},[754,1191,1193],{"class":1192},"sHwdD","\u002F\u002F ai.prompt only\n",[754,1195,1196,1198,1200,1202,1204,1206,1208,1210,1212,1214,1216,1218,1220],{"class":756,"line":874},[754,1197,761],{"class":760},[754,1199,765],{"class":764},[754,1201,769],{"class":768},[754,1203,773],{"class":772},[754,1205,776],{"class":764},[754,1207,779],{"class":768},[754,1209,782],{"class":768},[754,1211,1109],{"class":785},[754,1213,789],{"class":768},[754,1215,793],{"class":792},[754,1217,796],{"class":768},[754,1219,951],{"class":764},[754,1221,1222],{"class":1192},"\u002F\u002F ai.output only\n",[728,1224,1225,1226,734,1228,738],{},"Prompts and outputs can be large, and they carry whatever your users typed. Reach for ",[590,1227,733],{},[590,1229,737],{},[740,1231,1233],{"id":1232},"truncate-long-content","Truncate long content",[587,1235,1236,1237,789],{},"Each option takes its own ",[590,1238,733],{},[745,1240,1242],{"className":747,"code":1241,"language":749,"meta":750,"style":750},"const ai = createAILogger(log, { prompt: { maxLength: 500 } })\n",[590,1243,1244],{"__ignoreMap":750},[754,1245,1246,1248,1250,1252,1254,1256,1258,1260,1262,1264,1266,1268,1270,1272,1274,1276],{"class":756,"line":757},[754,1247,761],{"class":760},[754,1249,765],{"class":764},[754,1251,769],{"class":768},[754,1253,773],{"class":772},[754,1255,776],{"class":764},[754,1257,779],{"class":768},[754,1259,782],{"class":768},[754,1261,1100],{"class":785},[754,1263,789],{"class":768},[754,1265,782],{"class":768},[754,1267,833],{"class":785},[754,1269,789],{"class":768},[754,1271,892],{"class":838},[754,1273,796],{"class":768},[754,1275,796],{"class":768},[754,1277,799],{"class":764},[740,1279,1281],{"id":1280},"redact-or-reshape","Redact or reshape",[587,1283,1284,1286,1287,789],{},[590,1285,737],{}," receives the captured text and runs before ",[590,1288,733],{},[745,1290,1292],{"className":747,"code":1291,"language":749,"meta":750,"style":750},"const ai = createAILogger(log, {\n  prompt: {\n    maxLength: 500,\n    transform: text => redact(text),\n  },\n})\n",[590,1293,1294,1310,1319,1329,1348,1352],{"__ignoreMap":750},[754,1295,1296,1298,1300,1302,1304,1306,1308],{"class":756,"line":757},[754,1297,761],{"class":760},[754,1299,765],{"class":764},[754,1301,769],{"class":768},[754,1303,773],{"class":772},[754,1305,776],{"class":764},[754,1307,779],{"class":768},[754,1309,871],{"class":768},[754,1311,1312,1315,1317],{"class":756,"line":874},[754,1313,1314],{"class":785},"  prompt",[754,1316,789],{"class":768},[754,1318,871],{"class":768},[754,1320,1321,1323,1325,1327],{"class":756,"line":884},[754,1322,887],{"class":785},[754,1324,789],{"class":768},[754,1326,892],{"class":838},[754,1328,895],{"class":768},[754,1330,1331,1333,1335,1338,1340,1343,1346],{"class":756,"line":898},[754,1332,901],{"class":772},[754,1334,789],{"class":768},[754,1336,1337],{"class":909}," text",[754,1339,921],{"class":760},[754,1341,1342],{"class":772}," redact",[754,1344,1345],{"class":764},"(text)",[754,1347,895],{"class":768},[754,1349,1350],{"class":756,"line":926},[754,1351,992],{"class":768},[754,1353,1354,1356],{"class":756,"line":974},[754,1355,998],{"class":768},[754,1357,799],{"class":764},[595,1359,1360,1370],{},[598,1361,1362],{},[601,1363,1364,1366,1368],{},[604,1365,1009],{},[604,1367,609],{},[604,1369,615],{},[617,1371,1372,1387],{},[601,1373,1374,1378,1382],{},[622,1375,1376],{},[590,1377,733],{},[622,1379,1380],{},[590,1381,1026],{},[622,1383,1384,1385,1033],{},"Truncate captured text exceeding this character length (appends ",[590,1386,1032],{},[601,1388,1389,1393,1398],{},[622,1390,1391],{},[590,1392,737],{},[622,1394,1395],{},[590,1396,1397],{},"(content) => string",[622,1399,1047,1400,1402],{},[590,1401,733],{},".",[1404,1405,1406,1407,734,1410,1413,1414,1417,1418,734,1420,1422],"note",{},"Prompt and output capture is a middleware capability: it works with ",[590,1408,1409],{},"createAILogger",[590,1411,1412],{},"createAIMiddleware",". The standalone ",[590,1415,1416],{},"createEvlogIntegration"," observes telemetry events and has no access to the model call parameters, so ",[590,1419,661],{},[590,1421,683],{}," stay absent there.",[709,1424,1426],{"id":1425},"cost-estimation","Cost Estimation",[587,1428,1429,1430,1432,1433,1436],{},"Pass a ",[590,1431,690],{}," map to compute estimated dollar cost per call. The middleware multiplies token usage by the per-million rates and sets ",[590,1434,1435],{},"ai.estimatedCost"," on the wide event.",[745,1438,1440],{"className":747,"code":1439,"language":749,"meta":750,"style":750},"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",[590,1441,1442,1458,1467,1501,1532,1536],{"__ignoreMap":750},[754,1443,1444,1446,1448,1450,1452,1454,1456],{"class":756,"line":757},[754,1445,761],{"class":760},[754,1447,765],{"class":764},[754,1449,769],{"class":768},[754,1451,773],{"class":772},[754,1453,776],{"class":764},[754,1455,779],{"class":768},[754,1457,871],{"class":768},[754,1459,1460,1463,1465],{"class":756,"line":874},[754,1461,1462],{"class":785},"  cost",[754,1464,789],{"class":768},[754,1466,871],{"class":768},[754,1468,1469,1472,1475,1477,1479,1481,1484,1486,1489,1491,1493,1495,1498],{"class":756,"line":884},[754,1470,1471],{"class":768},"    '",[754,1473,1474],{"class":785},"claude-sonnet-4.6",[754,1476,948],{"class":768},[754,1478,789],{"class":768},[754,1480,782],{"class":768},[754,1482,1483],{"class":785}," input",[754,1485,789],{"class":768},[754,1487,1488],{"class":838}," 3",[754,1490,779],{"class":768},[754,1492,1109],{"class":785},[754,1494,789],{"class":768},[754,1496,1497],{"class":838}," 15",[754,1499,1500],{"class":768}," },\n",[754,1502,1503,1505,1508,1510,1512,1514,1516,1518,1521,1523,1525,1527,1530],{"class":756,"line":898},[754,1504,1471],{"class":768},[754,1506,1507],{"class":785},"gpt-4o",[754,1509,948],{"class":768},[754,1511,789],{"class":768},[754,1513,782],{"class":768},[754,1515,1483],{"class":785},[754,1517,789],{"class":768},[754,1519,1520],{"class":838}," 2.5",[754,1522,779],{"class":768},[754,1524,1109],{"class":785},[754,1526,789],{"class":768},[754,1528,1529],{"class":838}," 10",[754,1531,1500],{"class":768},[754,1533,1534],{"class":756,"line":926},[754,1535,992],{"class":768},[754,1537,1538,1540],{"class":756,"line":974},[754,1539,998],{"class":768},[754,1541,799],{"class":764},[587,1543,1544,1545,1551],{},"Read the result from your handler with ",[1546,1547,1548],"a",{"href":352},[590,1549,1550],{},"ai.getEstimatedCost()",", which suits billing dashboards or warning users before expensive calls.",[1553,1554,1555,1556,1558],"tip",{},"Keep your ",[590,1557,690],{}," 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.",[709,1560,1562],{"id":1561},"error-handling","Error Handling",[587,1564,1565],{},"If a model call fails, the middleware captures the error into the wide event before re-throwing:",[745,1567,1572],{"className":1568,"code":1569,"filename":1570,"language":1571,"meta":750,"style":750},"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",[590,1573,1574,1579,1594,1612,1632,1652,1672,1690,1695],{"__ignoreMap":750},[754,1575,1576],{"class":756,"line":757},[754,1577,1578],{"class":768},"{\n",[754,1580,1581,1584,1587,1590,1592],{"class":756,"line":874},[754,1582,1583],{"class":768},"  \"",[754,1585,1586],{"class":760},"ai",[754,1588,1589],{"class":768},"\"",[754,1591,789],{"class":768},[754,1593,871],{"class":768},[754,1595,1596,1599,1603,1605,1607,1610],{"class":756,"line":884},[754,1597,1598],{"class":768},"    \"",[754,1600,1602],{"class":1601},"sBMFI","calls",[754,1604,1589],{"class":768},[754,1606,789],{"class":768},[754,1608,1609],{"class":838}," 1",[754,1611,895],{"class":768},[754,1613,1614,1616,1619,1621,1623,1626,1628,1630],{"class":756,"line":898},[754,1615,1598],{"class":768},[754,1617,1618],{"class":1601},"model",[754,1620,1589],{"class":768},[754,1622,789],{"class":768},[754,1624,1625],{"class":768}," \"",[754,1627,1474],{"class":944},[754,1629,1589],{"class":768},[754,1631,895],{"class":768},[754,1633,1634,1636,1639,1641,1643,1645,1648,1650],{"class":756,"line":926},[754,1635,1598],{"class":768},[754,1637,1638],{"class":1601},"provider",[754,1640,1589],{"class":768},[754,1642,789],{"class":768},[754,1644,1625],{"class":768},[754,1646,1647],{"class":944},"anthropic",[754,1649,1589],{"class":768},[754,1651,895],{"class":768},[754,1653,1654,1656,1659,1661,1663,1665,1668,1670],{"class":756,"line":974},[754,1655,1598],{"class":768},[754,1657,1658],{"class":1601},"finishReason",[754,1660,1589],{"class":768},[754,1662,789],{"class":768},[754,1664,1625],{"class":768},[754,1666,1667],{"class":944},"error",[754,1669,1589],{"class":768},[754,1671,895],{"class":768},[754,1673,1674,1676,1678,1680,1682,1684,1687],{"class":756,"line":983},[754,1675,1598],{"class":768},[754,1677,1667],{"class":1601},[754,1679,1589],{"class":768},[754,1681,789],{"class":768},[754,1683,1625],{"class":768},[754,1685,1686],{"class":944},"API rate limit exceeded",[754,1688,1689],{"class":768},"\"\n",[754,1691,1692],{"class":756,"line":989},[754,1693,1694],{"class":768},"  }\n",[754,1696,1697],{"class":756,"line":995},[754,1698,1699],{"class":768},"}\n",[587,1701,1702,1703,1706],{},"Stream errors (e.g. content filter) are also captured from the stream's error chunks. 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