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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","",[464,573,574,612,619,638],{"__ignoreMap":571},[575,576,579,583,587,591,594,597,600,603,606,609],"span",{"class":577,"line":578},"line",1,[575,580,582],{"class":581},"s7zQu","import",[575,584,586],{"class":585},"sMK4o"," {",[575,588,590],{"class":589},"sTEyZ"," EVLOG_USER_AGENT",[575,592,593],{"class":585},",",[575,595,596],{"class":589}," EVLOG_VERSION",[575,598,599],{"class":585}," }",[575,601,602],{"class":581}," from",[575,604,605],{"class":585}," 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You don't need to think about it.",[436,682,683,684,687,688,690,691,693,694,696],{},"When you build a drain on top of ",[464,685,686],{},"httpPost"," from ",[464,689,563],{}," directly (e.g. for a fork with a different identity, or for a vendor that wants its own UA), pass ",[464,692,673],{}," and\u002For ",[464,695,679],{}," to override:",[566,698,700],{"className":568,"code":699,"language":570,"meta":571,"style":571},"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",[464,701,702,721,725,738,758,787,804,818,835,854,874,883],{"__ignoreMap":571},[575,703,704,706,708,711,713,715,717,719],{"class":577,"line":578},[575,705,582],{"class":581},[575,707,586],{"class":585},[575,709,710],{"class":589}," httpPost",[575,712,599],{"class":585},[575,714,602],{"class":581},[575,716,605],{"class":585},[575,718,563],{"class":608},[575,720,611],{"class":585},[575,722,723],{"class":577,"line":614},[575,724,618],{"emptyLinePlaceholder":617},[575,726,727,730,732,735],{"class":577,"line":621},[575,728,729],{"class":581},"await",[575,731,710],{"class":629},[575,733,734],{"class":589},"(",[575,736,737],{"class":585},"{\n",[575,739,740,744,747,749,752,755],{"class":577,"line":640},[575,741,743],{"class":742},"swJcz","  url",[575,745,746],{"class":585},":",[575,748,605],{"class":585},[575,750,751],{"class":608},"https:\u002F\u002Fmy-platform.example.com\u002Fingest",[575,753,754],{"class":585},"'",[575,756,757],{"class":585},",\n",[575,759,761,764,766,768,770,773,775,777,779,782,784],{"class":577,"line":760},5,[575,762,763],{"class":742},"  headers",[575,765,746],{"class":585},[575,767,586],{"class":585},[575,769,605],{"class":585},[575,771,772],{"class":742},"Content-Type",[575,774,754],{"class":585},[575,776,746],{"class":585},[575,778,605],{"class":585},[575,780,781],{"class":608},"application\u002Fjson",[575,783,754],{"class":585},[575,785,786],{"class":585}," },\n",[575,788,790,793,795,797,800,802],{"class":577,"line":789},6,[575,791,792],{"class":742},"  body",[575,794,746],{"class":585},[575,796,605],{"class":585},[575,798,799],{"class":608},"[]",[575,801,754],{"class":585},[575,803,757],{"class":585},[575,805,807,810,812,816],{"class":577,"line":806},7,[575,808,809],{"class":742},"  timeout",[575,811,746],{"class":585},[575,813,815],{"class":814},"sbssI"," 5000",[575,817,757],{"class":585},[575,819,821,824,826,828,831,833],{"class":577,"line":820},8,[575,822,823],{"class":742},"  label",[575,825,746],{"class":585},[575,827,605],{"class":585},[575,829,830],{"class":608},"my-platform",[575,832,754],{"class":585},[575,834,757],{"class":585},[575,836,838,841,843,845,847,849,851],{"class":577,"line":837},9,[575,839,840],{"class":742},"  source",[575,842,746],{"class":585},[575,844,605],{"class":585},[575,846,830],{"class":608},[575,848,754],{"class":585},[575,850,593],{"class":585},[575,852,853],{"class":636},"           \u002F\u002F sent as X-Evlog-Source\n",[575,855,857,860,862,864,867,869,871],{"class":577,"line":856},10,[575,858,859],{"class":742},"  userAgent",[575,861,746],{"class":585},[575,863,605],{"class":585},[575,865,866],{"class":608},"my-fork\u002F1.0",[575,868,754],{"class":585},[575,870,593],{"class":585},[575,872,873],{"class":636},"        \u002F\u002F overrides the default User-Agent\n",[575,875,877,880],{"class":577,"line":876},11,[575,878,879],{"class":636},"  \u002F\u002F userAgent: false,",[575,881,882],{"class":636},"             \u002F\u002F suppress the header entirely\n",[575,884,886,889],{"class":577,"line":885},12,[575,887,888],{"class":585},"}",[575,890,891],{"class":589},")\n",[521,893,895],{"id":894},"next-steps","Next steps",[526,897,898,908],{},[529,899,900,903,904,907],{},[661,901,902],{"href":390},"Custom Drains"," — ",[464,905,906],{},"defineHttpDrain"," injects identity headers automatically",[529,909,910,913],{},[661,911,912],{"href":395},"Drain Pipeline"," — wrap any drain in batch + retry while keeping identity headers",[915,916,917],"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":571,"searchDepth":614,"depth":614,"links":919},[920,921,922,923],{"id":523,"depth":614,"text":524},{"id":556,"depth":614,"text":557},{"id":655,"depth":614,"text":656},{"id":894,"depth":614,"text":895},"Every drain request sent by evlog is tagged with User-Agent and X-Evlog-Source headers so receivers can identify and triage the traffic. Override or suppress them when your custom drain needs different identity.","md",[927],{"label":902,"icon":392,"to":390,"color":928,"variant":929},"neutral","subtle",{},{"title":384,"icon":387},{"title":431,"description":924},"UpSbbTef47vMxtu4Pph48SjBF68OaEPBZOLoGhRxGZU",[935,937],{"title":380,"path":381,"stem":382,"description":936,"icon":64,"children":-1},"Decide post-hoc whether to keep an event with full knowledge of its outcome (status, duration, errors). The opposite of head sampling — keep all errors and slow requests while throwing away healthy noise.",{"title":389,"path":390,"stem":391,"description":938,"icon":392,"children":-1},"Build a drain for any backend without a built-in adapter — defineHttpDrain for HTTP destinations, defineDrain for any other transport. Standardized config resolution, retries, timeouts, and identity headers handled for you.",1778440159041]