====== Cash-Flow Computation Trigger ======

[[dido:99_annexes:annex-b-terms-and-definitions:start|Return to Terms and Definitions]]

===== Discussion =====

Cash-flow computation triggers identify the logical conditions that cause the [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_computation_node|FX Cash-Flow Computation Node]] to compute projected or derived [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligations]].

A trigger uses [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_contract_state|FX Contract State]], [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_semantic_assertion|FX Semantic Assertion]], applicable transaction information, model reference, calculation context, or control command to initiate computation. The [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_computation_node|FX Cash-Flow Computation Node]] produces [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligations]] and records the provenance of the computation.

A cash-flow computation trigger identifies the triggering information, producing or requesting [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_node|Node]], applicable model or rule context, computation scope, timestamp, and provenance reference.

Cash-flow computation triggers preserve the distinction between [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_contract_state|FX Contract State]] and [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligation]]. Contract state identifies the lifecycle condition of the FX contract. [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligations]] represent derived or projected monetary obligations produced from that state and related context.

===== Definition =====

//Logical condition initiating computation of FX Cash-Flow Obligations.//

===== Source =====

Specialization of [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligation]] from Section 9.7, [[dido:99_annexes:annex-b-terms-and-definitions:c:cash-flow_computation_role|Cash-Flow Computation Role]] from Section 7.6, [[dido:99_annexes:annex-b-terms-and-definitions:l:logical_assertion|Logical Assertion]] from Part 2, Section 8.8, and [[dido:99_annexes:annex-b-terms-and-definitions:i:interpretation|Interpretation]] from Part 1, Section 9.5; generalised from ACTUS cash-flow and analytical computation material in the original FX Demo Reference Architecture.

===== Note =====

A cash-flow computation trigger does not prescribe the ACTUS library, model implementation, calculation engine, scheduler, job runner, API call, event trigger, or orchestration mechanism.

===== Example =====

An [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_contract_state|FX Contract State]] established for a validated and semantically interpreted FX transaction triggers computation of projected [[dido:99_annexes:annex-b-terms-and-definitions:f:fx_cash-flow_obligation|FX Cash-Flow Obligations]].

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