tokens: ['Converged', 'charging', 'may', 'be', 'performed', 'by', 'the', 'MBSMF', 'interacting', 'with', 'CHF', 'using', 'Nchf', 'specified', 'in', 'TS', '', '', 'and', 'TS', '', '', 'The', 'MBSMF', 'shall', 'be', 'able', 'to', 'perform', 'converged', 'charging', 'for', 'each', 'of', 'the', 'following', '', 'Charging', 'data', 'related', 'to', 'MBS', 'session', 'with', 'individual', 'and', 'shared', 'traffic', 'delivery', 'for', 'Multicast', '', 'Charging', 'data', 'related', 'to', 'MBS', 'session', 'for', 'Broadcast', '', 'Charging', 'data', 'related', 'to', 'service', 'data', 'flows', 'within', 'the', 'MBS', 'session', 'The', 'MBSMF', 'shall', 'be', 'able', 'to', 'report', 'charging', 'events', 'to', 'CDF', 'for', 'CDR', 'generation', 'The', 'MBSMF', 'shall', 'be', 'able', 'to', 'perform', 'convergent', 'charging', 'by', 'interacting', 'with', 'CHF', 'for', 'charging', 'data', 'related', 'to', 'MBS', 'sessions', 'The', 'Charging', 'Data', 'Request', 'and', 'Charging', 'Data', 'Response', 'are', 'exchanged', 'between', 'the', 'MBSMF', 'and', 'the', 'CHF', 'based', 'on', 'SCUR', 'scenarios', 'specified', 'in', 'TS', '', '', 'The', 'Charging', 'Data', 'Request', 'is', 'issued', 'by', 'the', 'MBSMF', 'towards', 'the', 'CHF', 'when', 'certain', 'conditions', 'chargeable', 'events', 'are', 'met', 'The', 'MBSMF', 'initiates', 'a', 'charging', 'session', 'with', 'Charging', 'Data', 'RequestResponse', 'Initial', 'updates']