"use strict"; const {Fragment: _Fragment, jsx: _jsx, jsxs: _jsxs} = arguments[0]; const {useMDXComponents: _provideComponents} = arguments[0]; const exBorrowsEventsUnsubscribe = { "method": "borrowsAccountMargin_unsubscribe", "params": [], "id": 1 }; const exBorrowsEventsUpdate = { "method": "borrowsAccountMargin_update", "params": [1, { "asset": "USDT", "ctime": 1737731478.690442, "mtime": 1737731478.690442, "amount": "-3895.7476176", "unrealized_funding": "0.00267248", "liq_price": "NaN" }], "id": null }; const exBorrowsEventsSubscribeResponse = { "error": null, "result": { "status": "success" }, "id": 1 }; const exBorrowsEventsSubscribe = { "method": "borrowsAccountMargin_subscribe", "params": [], "id": 1 }; const borrowsEventsUpdate = [{ name: "id", type: "null", required: true, description: "Update events have null id" }, { name: "method", type: "string", required: true, description: "Method name. Fixed value: `borrowsAccountMargin_update`." }, { name: "params", type: "array", required: true, description: "Event tuple:\n- [0] Event type (1=Margin call, 2=Liquidation)\n- [1] Borrow object with all borrow details" }]; const WsSubscribeSteps = ({subscribe, confirmation, update, unsubscribe, subscribeNote, updateNote, updateExtra}) => { const _components = { div: "div", p: "p", span: "span", ..._provideComponents() }; const [isDark, setIsDark] = useState(typeof document !== 'undefined' ? document.documentElement.classList.contains('dark') : true); useEffect(() => { const check = () => setIsDark(document.documentElement.classList.contains('dark')); check(); const observer = new MutationObserver(check); observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] }); return () => observer.disconnect(); }, []); const TOKEN_COLORS = isDark ? { key: '#79c0ff', string: '#a5d6ff', number: '#e3b341', boolean: '#ff7b72', null: '#8b949e', punctuation: '#c9d1d9', ws: '#c9d1d9' } : { key: '#0550ae', string: '#0a3069', number: '#953800', boolean: '#cf222e', null: '#6e7781', punctuation: '#24292f', ws: '#24292f' }; const tokenize = json => { const tokens = []; let i = 0; while (i < json.length) { if ((/\s/).test(json[i])) { let ws = ''; while (i < json.length && (/\s/).test(json[i])) ws += json[i++]; tokens.push({ type: 'ws', value: ws }); continue; } if (json[i] === '"') { let str = '"'; i++; while (i < json.length) { if (json[i] === '\\') { str += json[i] + json[i + 1]; i += 2; } else if (json[i] === '"') { str += '"'; i++; break; } else str += json[i++]; } let j = i; while (j < json.length && (/[ \t]/).test(json[j])) j++; tokens.push({ type: json[j] === ':' ? 'key' : 'string', value: str }); continue; } if (json[i] === '-' || (/\d/).test(json[i])) { let num = ''; if (json[i] === '-') num += json[i++]; while (i < json.length && (/[\d.eE+\-]/).test(json[i])) num += json[i++]; tokens.push({ type: 'number', value: num }); continue; } if (json.slice(i, i + 4) === 'true') { tokens.push({ type: 'boolean', value: 'true' }); i += 4; continue; } if (json.slice(i, i + 5) === 'false') { tokens.push({ type: 'boolean', value: 'false' }); i += 5; continue; } if (json.slice(i, i + 4) === 'null') { tokens.push({ type: 'null', value: 'null' }); i += 4; continue; } tokens.push({ type: 'punctuation', value: json[i++] }); } return tokens; }; const JsonBlock = ({data}) => { const json = JSON.stringify(data, null, 2); const tokens = tokenize(json); return _jsxs(_components.div, { className: "mint-border mint-border-gray-200 dark:mint-border-[#30363d]", style: { borderRadius: '0.5rem', overflow: 'hidden', marginBottom: '0.75rem' }, children: [_jsx(_components.div, { className: "mint-bg-gray-50 dark:mint-bg-[#161b22] mint-border-b mint-border-gray-200 dark:mint-border-[#30363d] mint-text-gray-500 dark:mint-text-[#8b949e]", style: { padding: '0.25rem 1rem', fontSize: '0.7rem', fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace' }, children: "json" }), _jsx(_components.div, { className: "mint-bg-white dark:mint-bg-[#0d1117]", style: { margin: 0, padding: '0.875rem 1.125rem', overflowX: 'auto', fontSize: '0.8125rem', lineHeight: '1.65', fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace', whiteSpace: 'pre' }, children: tokens.map((t, idx) => _jsx(_components.span, { style: { color: TOKEN_COLORS[t.type] }, children: t.value }, idx)) })] }); }; const CIRCLE = 32; const WsStep = ({number, title, isLast, children}) => _jsxs(_components.div, { style: { display: 'flex', gap: '1rem' }, children: [_jsxs(_components.div, { style: { display: 'flex', flexDirection: 'column', alignItems: 'center', flexShrink: 0, width: CIRCLE }, children: [_jsx(_components.div, { className: "mint-bg-gray-100 dark:mint-bg-gray-700 mint-border-gray-300 dark:mint-border-gray-600 mint-text-gray-900 dark:mint-text-gray-100", style: { width: CIRCLE, height: CIRCLE, borderRadius: '50%', border: '1.5px solid', display: 'flex', alignItems: 'center', justifyContent: 'center', fontSize: '0.8125rem', fontWeight: 600, flexShrink: 0 }, children: number }), !isLast && _jsx(_components.div, { className: "mint-bg-gray-200 dark:mint-bg-gray-700", style: { width: 2, flex: 1, minHeight: '1.5rem' } })] }), _jsxs(_components.div, { style: { flex: 1, paddingBottom: isLast ? '0.5rem' : '1.75rem', paddingTop: '4px', minWidth: 0 }, children: [_jsx(_components.p, { style: { fontWeight: 600, fontSize: '1rem', margin: '0 0 0.75rem 0', lineHeight: `${CIRCLE}px` }, children: title }), children] })] }); return _jsxs(_components.div, { style: { margin: '1.25rem 0' }, children: [_jsxs(WsStep, { number: 1, title: "Send subscription request", children: [subscribeNote && _jsx(_components.p, { style: { margin: '0 0 0.75rem 0' }, children: subscribeNote }), _jsx(JsonBlock, { data: subscribe })] }), _jsx(WsStep, { number: 2, title: "Receive confirmation", children: _jsx(JsonBlock, { data: confirmation }) }), _jsxs(WsStep, { number: 3, title: "Receive real-time updates", children: [updateNote && _jsx(_components.p, { style: { margin: '0 0 0.75rem 0' }, children: updateNote }), _jsx(JsonBlock, { data: update }), updateExtra] }), _jsx(WsStep, { number: 4, title: "Unsubscribe", isLast: true, children: _jsx(JsonBlock, { data: unsubscribe }) })] }); }; const WsMessageExample = ({data, title}) => { const _components = { div: "div", p: "p", span: "span", ..._provideComponents() }; const [isDark, setIsDark] = useState(typeof document !== 'undefined' ? document.documentElement.classList.contains('dark') : true); useEffect(() => { const check = () => setIsDark(document.documentElement.classList.contains('dark')); check(); const observer = new MutationObserver(check); observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] }); return () => observer.disconnect(); }, []); const COLORS = isDark ? { key: '#79c0ff', string: '#a5d6ff', number: '#e3b341', boolean: '#ff7b72', null: '#8b949e', punctuation: '#c9d1d9', ws: '#c9d1d9' } : { key: '#0550ae', string: '#0a3069', number: '#953800', boolean: '#cf222e', null: '#6e7781', punctuation: '#24292f', ws: '#24292f' }; const tokenize = json => { const tokens = []; let i = 0; while (i < json.length) { if ((/\s/).test(json[i])) { let ws = ''; while (i < json.length && (/\s/).test(json[i])) ws += json[i++]; tokens.push({ type: 'ws', value: ws }); continue; } if (json[i] === '"') { let str = '"'; i++; while (i < json.length) { if (json[i] === '\\') { str += json[i] + json[i + 1]; i += 2; } else if (json[i] === '"') { str += '"'; i++; break; } else { str += json[i++]; } } let j = i; while (j < json.length && (/[ \t]/).test(json[j])) j++; const isKey = json[j] === ':'; tokens.push({ type: isKey ? 'key' : 'string', value: str }); continue; } if (json[i] === '-' || (/\d/).test(json[i])) { let num = ''; if (json[i] === '-') num += json[i++]; while (i < json.length && (/[\d.eE+\-]/).test(json[i])) num += json[i++]; tokens.push({ type: 'number', value: num }); continue; } if (json.slice(i, i + 4) === 'true') { tokens.push({ type: 'boolean', value: 'true' }); i += 4; continue; } if (json.slice(i, i + 5) === 'false') { tokens.push({ type: 'boolean', value: 'false' }); i += 5; continue; } if (json.slice(i, i + 4) === 'null') { tokens.push({ type: 'null', value: 'null' }); i += 4; continue; } tokens.push({ type: 'punctuation', value: json[i++] }); } return tokens; }; const json = JSON.stringify(data, null, 2); const tokens = tokenize(json); return _jsxs(_components.div, { style: { marginBottom: '1rem' }, children: [title && _jsx(_components.p, { style: { fontWeight: 600, fontSize: '0.875rem', marginTop: '1rem', marginBottom: '0.5rem' }, children: title }), _jsxs(_components.div, { className: "mint-border mint-border-gray-200 dark:mint-border-[#30363d]", style: { position: 'relative', borderRadius: '0.5rem', overflow: 'hidden' }, children: [_jsx(_components.div, { className: "mint-bg-gray-50 dark:mint-bg-[#161b22] mint-border-b mint-border-gray-200 dark:mint-border-[#30363d]", style: { display: 'flex', alignItems: 'center', justifyContent: 'space-between', padding: '0.375rem 1rem' }, children: _jsx(_components.span, { className: "mint-text-gray-500 dark:mint-text-[#8b949e]", style: { fontSize: '0.75rem', fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace' }, children: "json" }) }), _jsx(_components.div, { className: "mint-bg-white dark:mint-bg-[#0d1117]", style: { margin: 0, padding: '1rem 1.25rem', overflowX: 'auto', fontSize: '0.8125rem', lineHeight: '1.7', fontFamily: 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace', whiteSpace: 'pre' }, children: tokens.map((t, idx) => _jsx(_components.span, { style: { color: COLORS[t.type] }, children: t.value }, idx)) })] })] }); }; const WsSchemaTable = ({title, fields}) => { const _components = { div: "div", span: "span", ..._provideComponents() }; const [isDark, setIsDark] = useState(typeof document !== 'undefined' ? document.documentElement.classList.contains('dark') : true); useEffect(() => { const check = () => setIsDark(document.documentElement.classList.contains('dark')); check(); const observer = new MutationObserver(check); observer.observe(document.documentElement, { attributes: true, attributeFilter: ['class'] }); return () => observer.disconnect(); }, []); const T = isDark ? { border: '#374151', borderSubtle: '#1f2937', headerBg: '#1f2937', headerText: '#9ca3af', titleBg: '#1f2937', titleText: '#d1d5db', fieldBg: '#374151', fieldText: '#e5e7eb', reqYes: '#f3f4f6', reqNo: '#4b5563', descText: '#9ca3af', emptyText: '#4b5563', enumBg: 'rgb(120 53 15 / 0.3)', enumText: '#fbbf24' } : { border: '#e5e7eb', borderSubtle: '#f3f4f6', headerBg: '#f9fafb', headerText: '#6b7280', titleBg: '#f9fafb', titleText: '#374151', fieldBg: '#f3f4f6', fieldText: '#1f2937', reqYes: '#111827', reqNo: '#d1d5db', descText: '#6b7280', emptyText: '#d1d5db', enumBg: '#fffbeb', enumText: '#92400e' }; const TYPE_STYLE = isDark ? { string: { backgroundColor: 'rgb(88 28 135 / 0.25)', color: '#c084fc' }, integer: { backgroundColor: 'rgb(154 52 18 / 0.25)', color: '#fb923c' }, number: { backgroundColor: 'rgb(154 52 18 / 0.25)', color: '#fb923c' }, boolean: { backgroundColor: 'rgb(30 64 175 / 0.25)', color: '#60a5fa' }, array: { backgroundColor: 'rgb(17 94 89 / 0.25)', color: '#2dd4bf' }, object: { backgroundColor: 'rgb(55 65 81 / 0.4)', color: '#9ca3af' }, null: { backgroundColor: 'rgb(55 65 81 / 0.4)', color: '#9ca3af' } } : { string: { backgroundColor: '#faf5ff', color: '#6b21a8' }, integer: { backgroundColor: '#fff7ed', color: '#9a3412' }, number: { backgroundColor: '#fff7ed', color: '#9a3412' }, boolean: { backgroundColor: '#eff6ff', color: '#1e40af' }, array: { backgroundColor: '#f0fdfa', color: '#115e59' }, object: { backgroundColor: '#f3f4f6', color: '#374151' }, null: { backgroundColor: '#f3f4f6', color: '#374151' } }; const MONO = 'ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, monospace'; const HEADER = { padding: '0.5rem 1rem', fontSize: '0.6875rem', fontWeight: 600, textTransform: 'uppercase', letterSpacing: '0.05em', whiteSpace: 'nowrap', color: T.headerText, backgroundColor: T.headerBg, borderBottom: `1px solid ${T.border}` }; const CELL = { padding: '0.625rem 1rem', fontSize: '0.8125rem', display: 'flex', alignItems: 'center', minWidth: 0 }; const hasRequired = fields.some(f => f.required === true); const hasEnum = fields.some(f => f.enum && f.enum.length > 0); const gridTemplateColumns = ['minmax(120px, auto)', 'minmax(70px, auto)', ...hasRequired ? ['minmax(70px, auto)'] : [], ...hasEnum ? ['minmax(120px, auto)'] : [], '1fr'].join(' '); return _jsxs(_components.div, { style: { margin: '1.25rem 0', borderRadius: '0.5rem', border: `1px solid ${T.border}`, overflow: 'hidden', fontSize: '0.8125rem' }, children: [title && _jsx(_components.div, { style: { padding: '0.5rem 1rem', fontSize: '0.75rem', fontWeight: 600, letterSpacing: '0.02em', backgroundColor: T.titleBg, borderBottom: `1px solid ${T.border}`, color: T.titleText }, children: title }), _jsxs(_components.div, { style: { display: 'grid', gridTemplateColumns, width: '100%', overflowX: 'auto' }, children: [_jsx(_components.div, { style: HEADER, children: "Field" }), _jsx(_components.div, { style: HEADER, children: "Type" }), hasRequired && _jsx(_components.div, { style: HEADER, children: "Required" }), hasEnum && _jsx(_components.div, { style: HEADER, children: "Values" }), _jsx(_components.div, { style: HEADER, children: "Description" }), fields.map((f, i) => { const borderTop = `1px solid ${i === 0 ? T.border : T.borderSubtle}`; const typeStyle = TYPE_STYLE[f.type] || TYPE_STYLE.object; return [_jsx(_components.div, { style: { ...CELL, whiteSpace: 'nowrap', borderTop }, children: _jsx(_components.span, { style: { padding: '0.125rem 0.375rem', borderRadius: '0.25rem', fontSize: '0.75rem', fontFamily: MONO, backgroundColor: T.fieldBg, color: T.fieldText }, children: f.name }) }, `${i}-n`), _jsx(_components.div, { style: { ...CELL, whiteSpace: 'nowrap', borderTop }, children: _jsx(_components.span, { style: { padding: '0.125rem 0.375rem', borderRadius: '0.25rem', fontSize: '0.75rem', whiteSpace: 'nowrap', fontFamily: MONO, ...typeStyle }, children: f.type }) }, `${i}-t`), ...hasRequired ? [_jsx(_components.div, { style: { ...CELL, borderTop, fontWeight: f.required ? 500 : 400, color: f.required ? T.reqYes : T.reqNo }, children: f.required ? 'Yes' : '—' }, `${i}-r`)] : [], ...hasEnum ? [_jsx(_components.div, { style: { ...CELL, borderTop, flexWrap: 'wrap', gap: '0.25rem' }, children: f.enum && f.enum.length > 0 ? f.enum.map((v, j) => _jsx(_components.span, { style: { padding: '0.125rem 0.375rem', borderRadius: '0.25rem', fontSize: '0.75rem', whiteSpace: 'nowrap', fontFamily: MONO, backgroundColor: T.enumBg, color: T.enumText }, children: String(v) }, j)) : _jsx(_components.span, { style: { color: T.emptyText }, children: "—" }) }, `${i}-e`)] : [], _jsx(_components.div, { style: { ...CELL, borderTop, color: T.descText }, children: f.description }, `${i}-d`)]; })] })] }); }; const WsChannelOverview = ({operations}) => { const _components = { code: "code", div: "div", span: "span", table: "table", tbody: "tbody", td: "td", th: "th", thead: "thead", tr: "tr", ..._provideComponents() }; const hasPush = operations.some(op => op.push); const Th = ({children}) => _jsx(_components.th, { className: "mint-text-left mint-text-gray-500 dark:mint-text-gray-400 mint-border-b mint-border-gray-200 dark:mint-border-gray-700", style: { padding: "0.5rem 1rem", fontSize: "0.6875rem", fontWeight: 600, textTransform: "uppercase", letterSpacing: "0.05em", whiteSpace: "nowrap" }, children: children }); const PushBadge = ({value}) => { const dashIdx = value.indexOf(" — "); const method = dashIdx !== -1 ? value.slice(0, dashIdx) : value; const desc = dashIdx !== -1 ? value.slice(dashIdx + 3) : null; return _jsxs(_components.span, { style: { display: "inline-flex", alignItems: "center", gap: "0.375rem", flexWrap: "wrap" }, children: [_jsx(_components.code, { className: "mint-bg-blue-50 dark:mint-bg-blue-900/20 mint-text-blue-800 dark:mint-text-blue-400", style: { padding: "0.125rem 0.375rem", borderRadius: "0.25rem", fontSize: "0.75rem", whiteSpace: "nowrap" }, children: method }), desc && _jsxs(_components.span, { className: "mint-text-gray-500 dark:mint-text-gray-400", style: { fontSize: "0.75rem" }, children: ["— ", desc] })] }); }; return _jsx(_components.div, { style: { margin: "1.25rem 0", borderRadius: "0.5rem", border: "1px solid", overflow: "hidden", fontSize: "0.8125rem" }, className: "mint-border-gray-200 dark:mint-border-gray-700", children: _jsxs(_components.table, { className: "mint-w-full", style: { margin: 0, borderCollapse: "collapse", tableLayout: "auto" }, children: [_jsx(_components.thead, { children: _jsxs(_components.tr, { className: "mint-bg-gray-50 dark:mint-bg-gray-800/60 mint-border-b mint-border-gray-200 dark:mint-border-gray-700", children: [Th({ children: "Operation" }), Th({ children: _jsxs(_components.span, { children: [_jsx(_components.span, { style: { color: "#16a34a" }, children: "→" }), " You send"] }) }), Th({ children: "← Server responds" }), hasPush && Th({ children: _jsxs(_components.span, { children: [_jsx(_components.span, { style: { color: "#2563eb" }, children: "⟵" }), " Server pushes"] }) })] }) }), _jsx(_components.tbody, { children: operations.map((op, i) => _jsxs(_components.tr, { className: "mint-border-b mint-border-gray-100 dark:mint-border-gray-800", style: { borderBottom: i === operations.length - 1 ? "none" : undefined }, children: [_jsx(_components.td, { className: "mint-text-gray-900 dark:mint-text-gray-100", style: { padding: "0.625rem 1rem", fontWeight: 500, whiteSpace: "nowrap" }, children: op.name }), _jsx(_components.td, { style: { padding: "0.625rem 1rem", whiteSpace: "nowrap" }, children: _jsx(_components.code, { className: "mint-bg-green-50 dark:mint-bg-green-900/20 mint-text-green-800 dark:mint-text-green-400", style: { padding: "0.125rem 0.375rem", borderRadius: "0.25rem", fontSize: "0.75rem" }, children: op.send }) }), _jsx(_components.td, { className: "mint-text-gray-500 dark:mint-text-gray-400", style: { padding: "0.625rem 1rem" }, children: op.receive }), hasPush && _jsx(_components.td, { style: { padding: "0.625rem 1rem" }, children: op.push ? PushBadge({ value: op.push }) : _jsx(_components.span, { className: "mint-text-gray-300 dark:mint-text-gray-600", children: "—" }) })] }, i)) })] }) }); }; function _createMdxContent(props) { const _components = { a: "a", code: "code", div: "div", p: "p", ..._provideComponents(), ...props.components }, {Heading, Warning} = _components; if (!Heading) _missingMdxReference("Heading", true); if (!Warning) _missingMdxReference("Warning", true); return _jsxs(_Fragment, { children: [_jsx(Warning, { children: _jsxs(_components.p, { children: ["This is a private channel. ", _jsx(_components.a, { href: "/websocket/authentication", children: "Authorize" }), " the WebSocket connection before subscribing."] }) }), "\n", _jsx(_components.p, { children: "Subscribe to margin call and liquidation event notifications for collateral borrows. Events fire when a borrow enters margin call or liquidation state." }), "\n", _jsx(WsChannelOverview, { operations: [{ name: "Subscribe", send: "borrowsAccountMargin_subscribe", receive: "Confirmation (status: success)", push: "borrowsAccountMargin_update — margin call or liquidation event" }, { name: "Unsubscribe", send: "borrowsAccountMargin_unsubscribe", receive: "Confirmation (status: success)", push: null }] }), "\n", _jsx(Heading, { level: "2", id: "subscribe-to-borrow-events", children: "Subscribe to borrow events" }), "\n", _jsx(WsSubscribeSteps, { subscribe: exBorrowsEventsSubscribe, subscribeNote: "params is always an empty array.", confirmation: exBorrowsEventsSubscribeResponse, update: exBorrowsEventsUpdate, updateNote: "params[0] is the event type. params[1] is the borrow object.", updateExtra: _jsxs(_components.div, { style: { width: '100%', fontSize: '0.875rem', marginBottom: '1rem' }, children: [_jsxs(_components.div, { style: { display: 'flex', borderBottom: '1px solid #e5e7eb', fontWeight: 600 }, children: [_jsx(_components.div, { style: { padding: '8px 12px', flex: '0 0 80px' }, children: "Value" }), _jsx(_components.div, { style: { padding: '8px 12px', flex: 1 }, children: "Event" })] }), _jsxs(_components.div, { style: { display: 'flex', borderBottom: '1px solid #f3f4f6' }, children: [_jsx(_components.div, { style: { padding: '8px 12px', flex: '0 0 80px' }, children: _jsx(_components.code, { children: "1" }) }), _jsx(_components.div, { style: { padding: '8px 12px', flex: 1 }, children: "Margin call" })] }), _jsxs(_components.div, { style: { display: 'flex' }, children: [_jsx(_components.div, { style: { padding: '8px 12px', flex: '0 0 80px' }, children: _jsx(_components.code, { children: "2" }) }), _jsx(_components.div, { style: { padding: '8px 12px', flex: 1 }, children: "Liquidation" })] })] }), unsubscribe: exBorrowsEventsUnsubscribe }), "\n", _jsx(Heading, { level: "2", id: "borrow-event-object", children: "Borrow event object" }), "\n", _jsx(WsSchemaTable, { fields: borrowsEventsUpdate })] }); } function MDXContent(props = {}) { const {wrapper: MDXLayout} = { ..._provideComponents(), ...props.components }; return MDXLayout ? _jsx(MDXLayout, { ...props, children: _jsx(_createMdxContent, { ...props }) }) : _createMdxContent(props); } return { exBorrowsEventsUnsubscribe, exBorrowsEventsUpdate, exBorrowsEventsSubscribeResponse, exBorrowsEventsSubscribe, borrowsEventsUpdate, WsSubscribeSteps, WsMessageExample, WsSchemaTable, WsChannelOverview, default: MDXContent }; function _missingMdxReference(id, component) { throw new Error("Expected " + (component ? "component" : "object") + " `" + id + "` to be defined: you likely forgot to import, pass, or provide it."); }

Getting Started

Market Streams

Account Streams

​Subscribe to borrow events

​Borrow event object

Subscribe to borrow events

Borrow event object