Optional

This type can contain the following fields:

field	type	info
`empty`	boolean
`present`	boolean

References

v0.Name.prefix
v0.Name.suffix
v0.Name.middle
v0.Name.display
v0.Name.given
v0.Name.family
v0.SharedContact.avatar
v0.SharedContact.phone
v0.SharedContact.email
v0.SharedContact.address
v0.SharedContact.organization
v0.ConfigurationMessage.readReceipts
v0.ConfigurationMessage.unidentifiedDeliveryIndicators
v0.ConfigurationMessage.typingIndicators
v0.ConfigurationMessage.linkPreviews