| session_uuid | string | Unique identifier for the session. |
| first_party | string | The actual phone number of the first participant. |
| second_party | string | The actual phone number of the second participant. |
| virtual_number | string | Plivo phone number to be dialed for connecting with the other participant. |
| record | boolean | Determines the recording status for a phone call. Defaults to false. If true: (1) Call recording starts only when both participants have answered their calls. (2) Multiple calls within a session generate multiple recording files. |
| recording_callback_url | string | URL to which the call recording is sent. |
| record_file_format | string | Audio format for the recording. Allowed values: mp3, wav. Defaults to mp3. |
| recording_callback_method | string | HTTP verb for invoking recording_callback_url. Allowed values: GET, POST. Defaults to POST. |
| session_expiry | integer | Time in seconds after which the session mapping will expire. Calls made after this will not be forwarded. |
| call_time_limit | integer | Time in seconds after which the call should be disconnected. Applies to all call legs. |
| status | string | Current session status: active, in-progress, or expired. |
| initiate_call_to_first_party | boolean | If true, Plivo calls the first party immediately and bridges if answered. Defaults to false. |
| callback_url | string | URL on which to receive important session events and status updates. |
| callback_method | string | HTTP verb for invoking callback_url. Allowed values: GET, POST. Defaults to POST. |
| ring_timeout | integer | Time in seconds after which the ring should be disconnected. Defaults to 120. |
| first_party_play_url | string | URL returning MP3/WAV file to play to first party before connecting. |
| second_party_play_url | string | URL returning MP3/WAV file to play to second party before connecting. |
| created_time | timestamp | UTC time when the session was created (yyyy-mm-dd, hh-mm-ss). |
| modified_time | timestamp | UTC time when the session was last modified (yyyy-mm-dd, hh-mm-ss). |
| expiry_time | timestamp | UTC time when the session will expire (yyyy-mm-dd, hh-mm-ss). |
| last_interaction_time | timestamp | UTC time when the latest interaction ended (yyyy-mm-dd, hh-mm-ss). |
| total_call_count | integer | Total number of individual calls (call_uuids) in the session. |
| total_call_amount | string | Total billed amount for all calls within the session. |
| total_call_billed_duration | integer | Total rounded bill duration (seconds) for all calls. |
| interaction | string | Interaction object containing session interactions. See Interaction Object |
| duration | integer | Duration of the session in seconds. |
| amount | string | Total charge incurred for creating the session. |
| total_session_amount | string | Total charges for hosting the session, including call and session creation fees. |
