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values:",[670,671,676],"pre",{"className":672,"code":673,"language":674,"meta":675,"style":675},"language-ts shiki shiki-themes material-theme-lighter material-theme material-theme-palenight","import { EVLOG_USER_AGENT, EVLOG_VERSION } from 'evlog\u002Ftoolkit'\n\nconsole.log(EVLOG_VERSION)    \u002F\u002F → \"2.16.0\"\nconsole.log(EVLOG_USER_AGENT) \u002F\u002F → \"evlog\u002F2.16.0\"\n","ts","",[568,677,678,716,723,742],{"__ignoreMap":675},[679,680,683,687,691,695,698,701,704,707,710,713],"span",{"class":681,"line":682},"line",1,[679,684,686],{"class":685},"s7zQu","import",[679,688,690],{"class":689},"sMK4o"," {",[679,692,694],{"class":693},"sTEyZ"," EVLOG_USER_AGENT",[679,696,697],{"class":689},",",[679,699,700],{"class":693}," EVLOG_VERSION",[679,702,703],{"class":689}," }",[679,705,706],{"class":685}," from",[679,708,709],{"class":689}," '",[679,711,667],{"class":712},"sfazB",[679,714,715],{"class":689},"'\n",[679,717,719],{"class":681,"line":718},2,[679,720,722],{"emptyLinePlaceholder":721},true,"\n",[679,724,726,729,731,735,738],{"class":681,"line":725},3,[679,727,728],{"class":693},"console",[679,730,623],{"class":689},[679,732,734],{"class":733},"s2Zo4","log",[679,736,737],{"class":693},"(EVLOG_VERSION)    ",[679,739,741],{"class":740},"sHwdD","\u002F\u002F → \"2.16.0\"\n",[679,743,745,747,749,751,754],{"class":681,"line":744},4,[679,746,728],{"class":693},[679,748,623],{"class":689},[679,750,734],{"class":733},[679,752,753],{"class":693},"(EVLOG_USER_AGENT) ",[679,755,756],{"class":740},"\u002F\u002F → \"evlog\u002F2.16.0\"\n",[625,758,760],{"id":759},"overriding-from-a-custom-drain","Overriding from a custom drain",[540,762,763,764,770,771,774,775,778,779,774,781,784],{},"Adapters built with ",[765,766,767],"a",{"href":488},[568,768,769],{},"defineHttpDrain()"," automatically pass the drain ",[568,772,773],{},"name"," as ",[568,776,777],{},"source"," and the canonical ",[568,780,575],{},[568,782,783],{},"userAgent",". You don't need to think about it.",[540,786,787,788,791,792,794,795,797,798,800],{},"When you build a drain on top of ",[568,789,790],{},"httpPost"," from ",[568,793,667],{}," directly (e.g. for a fork with a different identity, or for a vendor that wants its own UA), pass ",[568,796,777],{}," and\u002For ",[568,799,783],{}," to override:",[670,802,804],{"className":672,"code":803,"language":674,"meta":675,"style":675},"import { httpPost } from 'evlog\u002Ftoolkit'\n\nawait httpPost({\n  url: 'https:\u002F\u002Fmy-platform.example.com\u002Fingest',\n  headers: { 'Content-Type': 'application\u002Fjson' },\n  body: '[]',\n  timeout: 5000,\n  label: 'my-platform',\n  source: 'my-platform',           \u002F\u002F sent as X-Evlog-Source\n  userAgent: 'my-fork\u002F1.0',        \u002F\u002F overrides the default User-Agent\n  \u002F\u002F userAgent: false,             \u002F\u002F suppress the header entirely\n})\n",[568,805,806,825,829,842,862,891,908,922,939,958,978,987],{"__ignoreMap":675},[679,807,808,810,812,815,817,819,821,823],{"class":681,"line":682},[679,809,686],{"class":685},[679,811,690],{"class":689},[679,813,814],{"class":693}," httpPost",[679,816,703],{"class":689},[679,818,706],{"class":685},[679,820,709],{"class":689},[679,822,667],{"class":712},[679,824,715],{"class":689},[679,826,827],{"class":681,"line":718},[679,828,722],{"emptyLinePlaceholder":721},[679,830,831,834,836,839],{"class":681,"line":725},[679,832,833],{"class":685},"await",[679,835,814],{"class":733},[679,837,838],{"class":693},"(",[679,840,841],{"class":689},"{\n",[679,843,844,848,851,853,856,859],{"class":681,"line":744},[679,845,847],{"class":846},"swJcz","  url",[679,849,850],{"class":689},":",[679,852,709],{"class":689},[679,854,855],{"class":712},"https:\u002F\u002Fmy-platform.example.com\u002Fingest",[679,857,858],{"class":689},"'",[679,860,861],{"class":689},",\n",[679,863,865,868,870,872,874,877,879,881,883,886,888],{"class":681,"line":864},5,[679,866,867],{"class":846},"  headers",[679,869,850],{"class":689},[679,871,690],{"class":689},[679,873,709],{"class":689},[679,875,876],{"class":846},"Content-Type",[679,878,858],{"class":689},[679,880,850],{"class":689},[679,882,709],{"class":689},[679,884,885],{"class":712},"application\u002Fjson",[679,887,858],{"class":689},[679,889,890],{"class":689}," },\n",[679,892,894,897,899,901,904,906],{"class":681,"line":893},6,[679,895,896],{"class":846},"  body",[679,898,850],{"class":689},[679,900,709],{"class":689},[679,902,903],{"class":712},"[]",[679,905,858],{"class":689},[679,907,861],{"class":689},[679,909,911,914,916,920],{"class":681,"line":910},7,[679,912,913],{"class":846},"  timeout",[679,915,850],{"class":689},[679,917,919],{"class":918},"sbssI"," 5000",[679,921,861],{"class":689},[679,923,925,928,930,932,935,937],{"class":681,"line":924},8,[679,926,927],{"class":846},"  label",[679,929,850],{"class":689},[679,931,709],{"class":689},[679,933,934],{"class":712},"my-platform",[679,936,858],{"class":689},[679,938,861],{"class":689},[679,940,942,945,947,949,951,953,955],{"class":681,"line":941},9,[679,943,944],{"class":846},"  source",[679,946,850],{"class":689},[679,948,709],{"class":689},[679,950,934],{"class":712},[679,952,858],{"class":689},[679,954,697],{"class":689},[679,956,957],{"class":740},"           \u002F\u002F sent as X-Evlog-Source\n",[679,959,961,964,966,968,971,973,975],{"class":681,"line":960},10,[679,962,963],{"class":846},"  userAgent",[679,965,850],{"class":689},[679,967,709],{"class":689},[679,969,970],{"class":712},"my-fork\u002F1.0",[679,972,858],{"class":689},[679,974,697],{"class":689},[679,976,977],{"class":740},"        \u002F\u002F overrides the default User-Agent\n",[679,979,981,984],{"class":681,"line":980},11,[679,982,983],{"class":740},"  \u002F\u002F userAgent: false,",[679,985,986],{"class":740},"             \u002F\u002F suppress the header entirely\n",[679,988,990,993],{"class":681,"line":989},12,[679,991,992],{"class":689},"}",[679,994,995],{"class":693},")\n",[625,997,999],{"id":998},"next-steps","Next steps",[630,1001,1002,1012],{},[633,1003,1004,1007,1008,1011],{},[765,1005,1006],{"href":488},"Custom Drains",": ",[568,1009,1010],{},"defineHttpDrain"," injects identity headers automatically",[633,1013,1014,1016],{},[765,1015,492],{"href":493},": wrap any drain in batch + retry while keeping identity headers",[1018,1019,1020],"style",{},"html pre.shiki code .s7zQu, html code.shiki .s7zQu{--shiki-light:#39ADB5;--shiki-light-font-style:italic;--shiki-default:#89DDFF;--shiki-default-font-style:italic;--shiki-dark:#89DDFF;--shiki-dark-font-style:italic}html pre.shiki code .sMK4o, html code.shiki .sMK4o{--shiki-light:#39ADB5;--shiki-default:#89DDFF;--shiki-dark:#89DDFF}html pre.shiki code .sTEyZ, html code.shiki .sTEyZ{--shiki-light:#90A4AE;--shiki-default:#EEFFFF;--shiki-dark:#BABED8}html pre.shiki code .sfazB, html code.shiki .sfazB{--shiki-light:#91B859;--shiki-default:#C3E88D;--shiki-dark:#C3E88D}html pre.shiki code .s2Zo4, html code.shiki .s2Zo4{--shiki-light:#6182B8;--shiki-default:#82AAFF;--shiki-dark:#82AAFF}html pre.shiki code .sHwdD, html code.shiki .sHwdD{--shiki-light:#90A4AE;--shiki-light-font-style:italic;--shiki-default:#546E7A;--shiki-default-font-style:italic;--shiki-dark:#676E95;--shiki-dark-font-style:italic}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: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .shiki span {color: var(--shiki-default);background: var(--shiki-default-bg);font-style: var(--shiki-default-font-style);font-weight: var(--shiki-default-font-weight);text-decoration: var(--shiki-default-text-decoration);}html .dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html.dark .shiki span {color: var(--shiki-dark);background: var(--shiki-dark-bg);font-style: var(--shiki-dark-font-style);font-weight: var(--shiki-dark-font-weight);text-decoration: var(--shiki-dark-text-decoration);}html pre.shiki code .swJcz, html code.shiki .swJcz{--shiki-light:#E53935;--shiki-default:#F07178;--shiki-dark:#F07178}html pre.shiki code .sbssI, html code.shiki .sbssI{--shiki-light:#F76D47;--shiki-default:#F78C6C;--shiki-dark:#F78C6C}",{"title":675,"searchDepth":718,"depth":718,"links":1022},[1023,1024,1025,1026],{"id":627,"depth":718,"text":628},{"id":660,"depth":718,"text":661},{"id":759,"depth":718,"text":760},{"id":998,"depth":718,"text":999},"Every drain request carries User-Agent and X-Evlog-Source so receivers can triage the traffic. Override or suppress them when you need to.","md",[1030],{"label":1006,"icon":490,"to":488,"color":1031,"variant":1032},"neutral","subtle",{},{"title":482,"icon":485},{"title":535,"description":1027},"9-jU3J69nXSua-FxSUy-KREnVDLGGawYYXsbgXPprR4",[1038,1040],{"title":477,"path":478,"stem":479,"description":1039,"icon":480,"children":-1},"Decide after the fact whether to keep an event, knowing its status, duration, and errors. Keep every error, throw away healthy noise.",{"title":487,"path":488,"stem":489,"description":1041,"icon":490,"children":-1},"Build a drain for any backend without a built-in adapter. Config resolution, retries, timeouts, and identity headers are handled for you.",1786806602173]