# Preset Properties
The following present properties are properties that all events in SDK would have.
Property name | Display name | Property type | Instruction |
---|---|---|---|
#ip | IP address | Text | IP address of the user, based on which TE would get the geographical location of the user |
#country | Country | Text | The country where the user is located; generated based on the IP address |
#country_code | Country code | Text | The code of the country where the user is located (ISO 3166-1 alpha-2, two English characters in upper case); generated based on the IP address |
#province | Province | Text | The province where the user is located; generated based on the IP address |
#city | City | Text | The city where the user is located; generated based on the IP address |
#lib | SDK type | Text | The type of SDK which you integrate, e.g., Golang, etc. |
#lib_version | SDK version | Text | The version of the SDK which you integrate |