Cortex API
  • Getting Started
  • Connecting to the Cortex API
  • Overview of API flow
  • Authentication
    • getCortexInfo
    • getUserLogin
    • requestAccess
    • hasAccessRight
    • authorize
    • generateNewToken
    • getUserInformation
    • getLicenseInfo
  • Headsets
    • controlDevice
    • queryHeadsets
    • updateHeadset
    • updateHeadsetCustomInfo
    • syncWithHeadsetClock
    • Headset object
  • Sessions
    • createSession
    • updateSession
    • querySessions
    • Session object
  • Data Subscription
    • subscribe
    • unsubscribe
    • Data sample object
  • Records
    • createRecord
    • stopRecord
    • updateRecord
    • deleteRecord
    • exportRecord
    • queryRecords
    • getRecordInfos
    • configOptOut
    • requestToDownloadRecordData
    • Record object
  • Markers
    • injectMarker
    • updateMarker
    • Marker object
  • Subjects
    • createSubject
    • updateSubject
    • deleteSubjects
    • querySubjects
    • getDemographicAttributes
    • Subject object
  • BCI
    • queryProfile
    • getCurrentProfile
    • setupProfile
    • loadGuestProfile
    • getDetectionInfo
    • training
    • Readonly profile
  • Advanced BCI
    • getTrainedSignatureActions
    • getTrainingTime
    • facialExpressionSignatureType
    • facialExpressionThreshold
    • mentalCommandActiveAction
    • mentalCommandBrainMap
    • mentalCommandGetSkillRating
    • mentalCommandTrainingThreshold
    • mentalCommandActionSensitivity
  • Warning Objects
  • Error Codes
  • Troubleshooting Guide
  • Release Notes
  • cortexaccess tool
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Markers

PreviousRecord objectNextinjectMarker

Last updated 5 years ago

A marker is to mark a point in time, or a period of time, inside a .

Markers are always linked to a record, so you must start a record before you add a marker. You can't add nor update a marker after the record is stopped. You can associate some data to each marker, like a value and a label.

There are two types of markers:

  • An instance marker is to mark a point in time. You call to create the marker at a specific timestamp.

  • An interval marker is to mark a period of time, with a beginning and an end. First you create an instance marker with . This sets the beginning of the interval. Then you call to set the end of the interval, turning the instance marker into an interval marker.

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