Start a session with Kaltura's server.
The result KS is the session key that you should pass to all services that requires a ticket.
nullobject responseProfile:object:KalturaBaseResponseProfile
abstractobjectType:string Enum: KalturaDetachedResponseProfile, KalturaResponseProfileHolder, KalturaResponseProfileKalturaBaseResponseProfile must also match any of:
object:KalturaDetachedResponseProfile object:KalturaResponseProfileHolder object:KalturaResponseProfile