The prefix of the file. ${fileNamePrefix}_secret.id.json is the identity with secret keys, ${fileNamePrefix}.id.json is the identity only with public keys.
Optional
url: stringThe communication server url to include in the identity file.
Optional
personEmail: stringThe person email to use. If not specified a random string is used.
Optional
instanceName: stringThe instance name to use. If not specified a random string is used.
Creates a random identity and writes it to a file.
Does not need a running one instance.