User Context

The userContext object must be passed as an argument whenever you call the getFlag() or trackEvent() functions.

userContext Properties

Paramter	Type	Description
id Required	String	Unique user ID for the current user. 'id' is the only required property in userContext. This ID should be a unique identifier for the current user which you need to pass to VWO. Read more here .
userAgent Optional	String	The userAgent object for the current user, can be used for targeting & segmentation.
ipAddress Optional	String	IP Address of the current user, can be used for targeting & segmentation.
customVariables Optional	Object	Any additional details of the current user that you want to push to VWO can be added here as key-value pairs, can be used for targeting & pre-segmentation.

Usage

const userContext = {  
  id: 'user-id',  
  userAgent: '',  
  ipAddress: '',  
  customVariables: {  
		plan: 'free'
  }  
}

// userContext to be passed as an argument with the following function calls: 
const featureFlag1 = await vwoClient.getFlag('feature_key', userContext);
vwoClient.trackEvent('event-name', userContext);
vwoClient.setAttribute('attribute-name', 'attribute-value', userContext);