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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","",[474,583,584,622,629,648],{"__ignoreMap":581},[585,586,589,593,597,601,604,607,610,613,616,619],"span",{"class":587,"line":588},"line",1,[585,590,592],{"class":591},"s7zQu","import",[585,594,596],{"class":595},"sMK4o"," {",[585,598,600],{"class":599},"sTEyZ"," EVLOG_USER_AGENT",[585,602,603],{"class":595},",",[585,605,606],{"class":599}," EVLOG_VERSION",[585,608,609],{"class":595}," }",[585,611,612],{"class":591}," from",[585,614,615],{"class":595}," 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",[474,678,679],{},"name"," as ",[474,682,683],{},"source"," and the canonical ",[474,686,481],{},[474,688,689],{},"userAgent",". You don't need to think about it.",[446,692,693,694,697,698,700,701,703,704,706],{},"When you build a drain on top of ",[474,695,696],{},"httpPost"," from ",[474,699,573],{}," directly (e.g. for a fork with a different identity, or for a vendor that wants its own UA), pass ",[474,702,683],{}," and\u002For ",[474,705,689],{}," to override:",[576,708,710],{"className":578,"code":709,"language":580,"meta":581,"style":581},"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",[474,711,712,731,735,748,768,797,814,828,845,864,884,893],{"__ignoreMap":581},[585,713,714,716,718,721,723,725,727,729],{"class":587,"line":588},[585,715,592],{"class":591},[585,717,596],{"class":595},[585,719,720],{"class":599}," httpPost",[585,722,609],{"class":595},[585,724,612],{"class":591},[585,726,615],{"class":595},[585,728,573],{"class":618},[585,730,621],{"class":595},[585,732,733],{"class":587,"line":624},[585,734,628],{"emptyLinePlaceholder":627},[585,736,737,740,742,745],{"class":587,"line":631},[585,738,739],{"class":591},"await",[585,741,720],{"class":639},[585,743,744],{"class":599},"(",[585,746,747],{"class":595},"{\n",[585,749,750,754,757,759,762,765],{"class":587,"line":650},[585,751,753],{"class":752},"swJcz","  url",[585,755,756],{"class":595},":",[585,758,615],{"class":595},[585,760,761],{"class":618},"https:\u002F\u002Fmy-platform.example.com\u002Fingest",[585,763,764],{"class":595},"'",[585,766,767],{"class":595},",\n",[585,769,771,774,776,778,780,783,785,787,789,792,794],{"class":587,"line":770},5,[585,772,773],{"class":752},"  headers",[585,775,756],{"class":595},[585,777,596],{"class":595},[585,779,615],{"class":595},[585,781,782],{"class":752},"Content-Type",[585,784,764],{"class":595},[585,786,756],{"class":595},[585,788,615],{"class":595},[585,790,791],{"class":618},"application\u002Fjson",[585,793,764],{"class":595},[585,795,796],{"class":595}," },\n",[585,798,800,803,805,807,810,812],{"class":587,"line":799},6,[585,801,802],{"class":752},"  body",[585,804,756],{"class":595},[585,806,615],{"class":595},[585,808,809],{"class":618},"[]",[585,811,764],{"class":595},[585,813,767],{"class":595},[585,815,817,820,822,826],{"class":587,"line":816},7,[585,818,819],{"class":752},"  timeout",[585,821,756],{"class":595},[585,823,825],{"class":824},"sbssI"," 5000",[585,827,767],{"class":595},[585,829,831,834,836,838,841,843],{"class":587,"line":830},8,[585,832,833],{"class":752},"  label",[585,835,756],{"class":595},[585,837,615],{"class":595},[585,839,840],{"class":618},"my-platform",[585,842,764],{"class":595},[585,844,767],{"class":595},[585,846,848,851,853,855,857,859,861],{"class":587,"line":847},9,[585,849,850],{"class":752},"  source",[585,852,756],{"class":595},[585,854,615],{"class":595},[585,856,840],{"class":618},[585,858,764],{"class":595},[585,860,603],{"class":595},[585,862,863],{"class":646},"           \u002F\u002F sent as X-Evlog-Source\n",[585,865,867,870,872,874,877,879,881],{"class":587,"line":866},10,[585,868,869],{"class":752},"  userAgent",[585,871,756],{"class":595},[585,873,615],{"class":595},[585,875,876],{"class":618},"my-fork\u002F1.0",[585,878,764],{"class":595},[585,880,603],{"class":595},[585,882,883],{"class":646},"        \u002F\u002F overrides the default User-Agent\n",[585,885,887,890],{"class":587,"line":886},11,[585,888,889],{"class":646},"  \u002F\u002F userAgent: false,",[585,891,892],{"class":646},"             \u002F\u002F suppress the header entirely\n",[585,894,896,899],{"class":587,"line":895},12,[585,897,898],{"class":595},"}",[585,900,901],{"class":599},")\n",[531,903,905],{"id":904},"next-steps","Next steps",[536,907,908,918],{},[539,909,910,913,914,917],{},[671,911,912],{"href":400},"Custom Drains"," — ",[474,915,916],{},"defineHttpDrain"," injects identity headers automatically",[539,919,920,923],{},[671,921,922],{"href":405},"Drain Pipeline"," — wrap any drain in batch + retry while keeping identity headers",[925,926,927],"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 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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":581,"searchDepth":624,"depth":624,"links":929},[930,931,932,933],{"id":533,"depth":624,"text":534},{"id":566,"depth":624,"text":567},{"id":665,"depth":624,"text":666},{"id":904,"depth":624,"text":905},"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",[937],{"label":912,"icon":402,"to":400,"color":938,"variant":939},"neutral","subtle",{},{"title":394,"icon":397},{"title":441,"description":934},"UpSbbTef47vMxtu4Pph48SjBF68OaEPBZOLoGhRxGZU",[945,947],{"title":390,"path":391,"stem":392,"description":946,"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":399,"path":400,"stem":401,"description":948,"icon":402,"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.",1779694508594]