[[["Easy to understand","easyToUnderstand","thumb-up"],["Solved my problem","solvedMyProblem","thumb-up"],["Other","otherUp","thumb-up"]],[["Missing the information I need","missingTheInformationINeed","thumb-down"],["Too complicated / too many steps","tooComplicatedTooManySteps","thumb-down"],["Out of date","outOfDate","thumb-down"],["Samples / code issue","samplesCodeIssue","thumb-down"],["Other","otherDown","thumb-down"]],["Last updated 2023-04-18 UTC."],[],[],null,["# alerts.performance namespace\n\nFunctions\n---------\n\n| Function | Description |\n|------------------------------------------------------------------------------------------------------------------------------------|-----------------------------------------------------------------------------|\n| [onThresholdAlertPublished(handler)](./firebase-functions.alerts.performance.md#alertsperformanceonthresholdalertpublished) | Declares a function that can handle receiving performance threshold alerts. |\n| [onThresholdAlertPublished(appId, handler)](./firebase-functions.alerts.performance.md#alertsperformanceonthresholdalertpublished) | Declares a function that can handle receiving performance threshold alerts. |\n| [onThresholdAlertPublished(opts, handler)](./firebase-functions.alerts.performance.md#alertsperformanceonthresholdalertpublished) | Declares a function that can handle receiving performance threshold alerts. |\n\nInterfaces\n----------\n\n| Interface | Description |\n|--------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------|\n| [PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface) | A custom CloudEvent for Firebase Alerts (with custom extension attributes). |\n| [PerformanceOptions](./firebase-functions.alerts.performance.performanceoptions.md#alertsperformanceperformanceoptions_interface) | Configuration for app distribution functions. |\n| [ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface) | The internal payload object for a performance threshold alert. Payload is wrapped inside a object. |\n\nalerts.performance.onThresholdAlertPublished()\n----------------------------------------------\n\nDeclares a function that can handle receiving performance threshold alerts.\n\n**Signature:** \n\n export declare function onThresholdAlertPublished(handler: (event: PerformanceEvent\u003cThresholdAlertPayload\u003e) =\u003e any | Promise\u003cany\u003e): CloudFunction\u003cPerformanceEvent\u003cThresholdAlertPayload\u003e\u003e;\n\n### Parameters\n\n| Parameter | Type | Description |\n|-----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------|\n| handler | (event: [PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e) =\\\u003e any \\| Promise\\\u003cany\\\u003e | Event handler which is run every time a threshold alert is received. |\n\n**Returns:**\n\n[CloudFunction](./firebase-functions.cloudfunction.md#cloudfunction_interface)\\\u003c[PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e\\\u003e\n\nA function that you can export and deploy.\n\nalerts.performance.onThresholdAlertPublished()\n----------------------------------------------\n\nDeclares a function that can handle receiving performance threshold alerts.\n\n**Signature:** \n\n export declare function onThresholdAlertPublished(appId: string, handler: (event: PerformanceEvent\u003cThresholdAlertPayload\u003e) =\u003e any | Promise\u003cany\u003e): CloudFunction\u003cPerformanceEvent\u003cThresholdAlertPayload\u003e\u003e;\n\n### Parameters\n\n| Parameter | Type | Description |\n|-----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------|\n| appId | string | A specific application the handler will trigger on. |\n| handler | (event: [PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e) =\\\u003e any \\| Promise\\\u003cany\\\u003e | Event handler which is run every time a threshold alert is received. |\n\n**Returns:**\n\n[CloudFunction](./firebase-functions.cloudfunction.md#cloudfunction_interface)\\\u003c[PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e\\\u003e\n\nA function that you can export and deploy.\n\nalerts.performance.onThresholdAlertPublished()\n----------------------------------------------\n\nDeclares a function that can handle receiving performance threshold alerts.\n\n**Signature:** \n\n export declare function onThresholdAlertPublished(opts: PerformanceOptions, handler: (event: PerformanceEvent\u003cThresholdAlertPayload\u003e) =\u003e any | Promise\u003cany\u003e): CloudFunction\u003cPerformanceEvent\u003cThresholdAlertPayload\u003e\u003e;\n\n### Parameters\n\n| Parameter | Type | Description |\n|-----------|--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------|\n| opts | [PerformanceOptions](./firebase-functions.alerts.performance.performanceoptions.md#alertsperformanceperformanceoptions_interface) | Options that can be set on the function. |\n| handler | (event: [PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e) =\\\u003e any \\| Promise\\\u003cany\\\u003e | Event handler which is run every time a threshold alert is received. |\n\n**Returns:**\n\n[CloudFunction](./firebase-functions.cloudfunction.md#cloudfunction_interface)\\\u003c[PerformanceEvent](./firebase-functions.alerts.performance.performanceevent.md#alertsperformanceperformanceevent_interface)\\\u003c[ThresholdAlertPayload](./firebase-functions.alerts.performance.thresholdalertpayload.md#alertsperformancethresholdalertpayload_interface)\\\u003e\\\u003e\n\nA function that you can export and deploy."]]
