Refer to the following article on how to use Kintone's event handlers:
Event Handling

Events

Record List Events

Triggered Timing	Desktop	Mobile
Onload Event	app.record.index.show	mobile.app.record.index.show
Inline Edit Event	app.record.index.edit.show
Save Event	app.record.index.edit.submit
Save Success Event	app.record.index.edit.submit.success
Field Change Event	app.record.index.edit.change.(fieldcode)
Delete Event	app.record.index.delete.submit

Record Details Events

Triggered Timing	Desktop	Mobile
Onload Event	app.record.detail.show	mobile.app.record.detail.show
Delete Event	app.record.detail.delete.submit	mobile.app.record.detail.delete.submit
Update Status Event	app.record.detail.process.proceed	mobile.record.detail.process.proceed

Record Create Events

Triggered Timing	Desktop	Mobile
Onload Event	app.record.create.show	mobile.app.record.create.show
Save Event	app.record.create.submit	mobile.app.record.create.submit
Save Success Event	app.record.create.submit.success	mobile.app.record.create.submit.success
Field Change Event	app.record.create.change.(fieldcode)	mobile.app.record.create.change.(fieldcode)

Record Edit Events

Triggered Timing	Desktop	Mobile
Onload Event	app.record.edit.show	mobile.app.record.edit.show
Save Event	app.record.edit.submit	mobile.app.record.edit.submit
Save Success Event	app.record.edit.submit.success	mobile.app.record.edit.submit.success
Field Change Event	app.record.edit.change.(fieldcode)	mobile.app.record.edit.change.(fieldcode)

Record Print Events

Triggered Timing	Desktop	Mobile
Onload Event	app.record.print.show

Graph Display Events

Triggered Timing	Desktop	Mobile
Onload Event	app.report.show	mobile.app.report.show

Portal Display Events

Triggered Timing	Desktop	Mobile
Onload Event	portal.show	mobile.portal.show

Space Display Events

Triggered Timing	Desktop	Mobile
Onload Event	space.portal.show	mobile.space.portal.show

Event Handling

API	Desktop	Mobile
Register Event Handlers	kintone.events.on()	kintone.events.on()
Delete a Handler	kintone.events.off()	kintone.events.off()

API Requests

Internal API Requests

API	Desktop	Mobile
Kintone REST API Request	kintone.api()	kintone.api()
Get URL	kintone.api.url()	kintone.api.url()
Get URL with Query	kintone.api.urlForGet()	kintone.api.urlForGet()
Get CSRF Token	kintone.getRequestToken()	kintone.getRequestToken()
Get Concurrency Limit	kintone.api.getConcurrencyLimit()	kintone.api.getConcurrencyLimit()

External API Requests

API	Desktop	Mobile
Proxy Request	kintone.proxy()	kintone.proxy()
Proxy File Upload	kintone.proxy.upload()	kintone.proxy.upload()

Get/Set Data

Records

API	Desktop	Mobile
Get Record ID	kintone.app.record.getId()	kintone.mobile.app.record.getId()
Get Record Details	kintone.app.record.get()	kintone.mobile.app.record.get()
Set Record Value	kintone.app.record.set()	kintone.mobile.app.record.set()
Get User's Record Permissions	kintone.app.record.getPermissions()	kintone.app.record.getPermissions()
Get User's Record Field Permissions	kintone.app.record.getFieldPermissions()	kintone.app.record.getFieldPermissions()
Get Record Status History	kintone.app.record.getStatusHistory()	kintone.app.record.getStatusHistory()

Apps

API	Desktop	Mobile
Get App	kintone.app.get()	kintone.app.get()
Get App ID	kintone.app.getId()	kintone.mobile.app.getId()
Get Form Fields	kintone.app.getFormFields()	kintone.app.getFormFields()
Get Form Layout	kintone.app.getFormLayout()	kintone.app.getFormLayout()
Check App Test Environment	kintone.app.isTestEnvironment()	kintone.app.isTestEnvironment()
Check App Maintenance Mode	kintone.app.isMaintenanceMode()	kintone.app.isMaintenanceMode()
Toggle App Description	kintone.app.showDescription(state)
Get App Icon URLs	kintone.app.getIcons()	kintone.app.getIcons()
Get Record List Field Elements	kintone.app.getFieldElements(fieldCode)	kintone.mobile.app.getFieldElements(fieldCode)
Get Record List Header Menu Element	kintone.app.getHeaderMenuSpaceElement()
Get Record List Header Element	kintone.app.getHeaderSpaceElement()
Get View Settings	kintone.app.getView()	kintone.app.getView()
Get List of Views	kintone.app.getViews()	kintone.app.getViews()
Get Record List Query	kintone.app.getQueryCondition()	kintone.mobile.app.getQueryCondition()
Get Record List Query (with order by, limit, offset)	kintone.app.getQuery()	kintone.mobile.app.getQuery()
Get Mobile Header Element		kintone.mobile.app.getHeaderSpaceElement()
Get Lookup Target	kintone.app.getLookupTargetAppId()	kintone.mobile.app.getLookupTargetAppId()
Get Related Records Target	kintone.app.getRelatedRecordsTargetAppId()	kintone.app.getRelatedRecordsTargetAppId()
Get Process Management Settings	kintone.app.getStatus()	kintone.app.getStatus()
Get Available Actions	kintone.app.record.getStatusActions()	kintone.app.record.getStatusActions()
Get Assignees	kintone.app.record.getAssignees()	kintone.app.record.getAssignees()
Get Categories	kintone.app.getCategories()	kintone.app.getCategories()
Get User's App Permissions	kintone.app.getPermissions()	kintone.app.getPermissions()

Space

API	Desktop	Mobile
Get Space Information	kintone.space.get()	kintone.space.get()
Get User's Space Permissions	kintone.space.getPermissions()	kintone.space.getPermissions()

System

API	Desktop	Mobile
Get Available Features	kintone.system.getAvailableFeatures()	kintone.system.getAvailableFeatures()
Get System Permissions	kintone.system.getPermissions()	kintone.system.getPermissions()

License

API	Desktop	Mobile
Check Trial Mode	kintone.license.isTrial()	kintone.license.isTrial()

General

API	Desktop	Mobile
Get Logged-in User	kintone.getLoginUser()	kintone.getLoginUser()
Get User Custom Fields	kintone.user.getCustomFields()	kintone.user.getCustomFields()
Get User Groups	kintone.user.getGroups()	kintone.user.getGroups()
Get User Departments	kintone.user.getOrganizations()	kintone.user.getOrganizations()
Get Page Type	kintone.user.getPageType()	kintone.user.getPageType()
Get User Icons	kintone.user.getIcons()	kintone.user.getIcons()
Get Design	kintone.getUiVersion()	kintone.getUiVersion()
Get Available Services	kintone.getAvailableServices()	kintone.getAvailableServices()
Get Domain Information	kintone.getDomain()	kintone.getDomain()
Get Available API Types	kintone.getAvailableApiTypes()	kintone.getAvailableApiTypes()
Check Client Certificate	kintone.isAccessWithClientCertificateAuthentication()	kintone.isAccessWithClientCertificateAuthentication()
Check Mobile App	kintone.isMobileApp()	kintone.isMobileApp()
Check Mobile Page	kintone.isMobilePage()	kintone.isMobilePage()
Get User Preference	kintone.getUserPreference()	kintone.getUserPreference()
Check User & System Administrator	kintone.isUsersAndSystemAdministrator()	kintone.isUsersAndSystemAdministrator()
Check Revamped UI	kintone.isRevampedUI()	kintone.isRevampedUI()
Display Confirmation Dialog	kintone.showConfirmDialog()
Create Dialog	kintone.createDialog()
Display Notification Message	kintone.showNotification()
Toggle Loading UI	kintone.showLoading()
Generate page URL	kintone.buildPageUrl()	kintone.buildPageUrl()
Set Keyboard Shortcuts	kintone.setKeyboardShortcuts()

Field Visibility

API	Desktop	Mobile
Toggle Field Visibility	kintone.app.record.setFieldShown()	kintone.mobile.app.record.setFieldShown()
Open Field Group	kintone.app.record.setGroupFieldOpen()	kintone.mobile.app.record.setGroupFieldOpen()
Check Field Visibility	kintone.app.record.isFieldVisible()	kintone.mobile.app.record.isFieldVisible()
Check Group Field Status	kintone.app.record.isGroupFieldOpen()	kintone.mobile.app.record.isGroupFieldOpen()

Show/Hide App UI Elements

API	Desktop	Mobile
Toggle App Description	kintone.app.showDescription()
Toggle New Record Button Visibility	kintone.app.showAddRecordButton()	kintone.mobile.app.showAddRecordButton()
Toggle App Settings Button Visibility	kintone.app.showAppSettingsButton()
Toggle Duplicate Record Button Visibility	kintone.app.record.showDuplicateRecordButton()
Toggle Edit Record Button Visibility	kintone.app.record.showEditRecordButton()	kintone.mobile.app.record.showEditRecordButton()
Toggle Filter Button Visibility	kintone.app.showFilterButton()	kintone.mobile.app.showFilterButton()
Toggle Graphs Selection Visibility	kintone.app.showViewAndReportSelector()	kintone.mobile.app.showReportSelector()
Toggle Views Selection Visibility	kintone.app.showViewAndReportSelector()	kintone.mobile.app.showViewSelector()
Toggle Options Button Visibility	kintone.app.showOptionsButton()	kintone.mobile.app.showOptionsButton()
Toggle Record Navigation Buttons Visibility	kintone.app.record.showPager()	kintone.mobile.app.record.showPager()
Toggle Graph Button Visibility	kintone.app.showReportButton()
Toggle Sidebar	kintone.app.record.showSideBar()

Get Element Display State

API	Desktop	Mobile
Get App Description Display State	kintone.app.getDescriptionDisplayState()
Get Sidebar Display State	kintone.app.record.getSideBarDisplayState()
Get New Record Button Display State	kintone.app.getAddRecordButtonDisplayState()	kintone.mobile.app.getAddRecordButtonDisplayState()
Get Edit Record Button Display State	kintone.app.record.getEditRecordButtonDisplayState()	kintone.mobile.app.record.getEditRecordButtonDisplayState()
Get Duplicate Record Button Display State	kintone.app.record.getDuplicateRecordButtonDisplayState()
Get App Settings Button Display State	kintone.app.getAppSettingsButtonDisplayState()
Get Options Button Display State	kintone.app.getOptionsButtonDisplayState()	kintone.mobile.app.getOptionsButtonDisplayState()
Get Record Navigation Buttons Display State	kintone.app.record.getPagerDisplayState()	kintone.mobile.app.record.getPagerDisplayState()
Get Filter Button Display State	kintone.app.getFilterButtonDisplayState()	kintone.mobile.app.getFilterButtonDisplayState()
Get Report Button Display State	kintone.app.getReportButtonDisplayState()
Get Graphs Selection Display State	kintone.app.getViewAndReportSelectorDisplayState()	kintone.mobile.app.getReportSelectorDisplayState()
Get Views Selection Display State	kintone.app.getViewAndReportSelectorDisplayState()	kintone.mobile.app.getViewSelectorDisplayState()

Get Elements

Record Details

API	Desktop	Mobile
Get Record Field Element	kintone.app.record.getFieldElement()	kintone.mobile.app.record.getFieldElement()
Get Record Header Menu Element	kintone.app.record.getHeaderMenuSpaceElement()
Get Mobile Header Element		kintone.mobile.app.getHeaderSpaceElement()
Get Space Element	kintone.app.record.getSpaceElement()	kintone.mobile.app.record.getSpaceElement()

Record List

API	Desktop	Mobile
Get Record List Field Elements	kintone.app.getFieldElements()	kintone.mobile.app.getFieldElements()
Get Record List Header Menu Element	kintone.app.getHeaderMenuSpaceElement()
Get Record List Header Element	kintone.app.getHeaderSpaceElement()
Get Mobile Header Element		kintone.mobile.app.getHeaderSpaceElement()

Portal

API	Desktop	Mobile
Get Portal	kintone.portal.getContentSpaceElement()	kintone.mobile.portal.getContentSpaceElement()

Space

API	Desktop	Mobile
Get Space Element	kintone.space.portal.getContentSpaceElement()	kintone.mobile.space.portal.getContentSpaceElement()

Plug-in

API	Desktop	Mobile
Get Config	kintone.plugin.app.getConfig()	kintone.plugin.app.getConfig()
Set Config	kintone.plugin.app.setConfig()
Proxy Set Config	kintone.plugin.app.setProxyConfig()
Proxy Get Config	kintone.plugin.app.getProxyConfig()
Plug-in Proxy Request	kintone.plugin.app.proxy()	kintone.plugin.app.proxy()
Plug-in Proxy File	kintone.plugin.app.proxy.upload()	kintone.plugin.app.proxy.upload()