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PROPOSAL_microflow_change_refresh_modifier.md

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Proposal: Microflow CHANGE Refresh Modifier

Status: Draft

Summary

Allow change microflow statements to explicitly preserve the Mendix RefreshInClient flag:

change $Customer (Name = 'Jane') refresh;
change $Customer refresh;

Motivation

Mendix change-object actions can refresh the changed object in the client independently from committing the object. MDL previously had no syntax for that flag, so a describe/exec round-trip could rewrite RefreshInClient = true to false for change actions with member assignments.

Semantics

The refresh modifier maps directly to ChangeObjectAction.RefreshInClient. Omitting it preserves the existing default behavior. The modifier is accepted both with member assignments and on a memberless change action.

Tests And Examples

mdl-examples/doctype-tests/change_refresh_modifier.test.mdl demonstrates both forms. Go tests cover formatter output, parser behavior, and builder serialization.

Open Questions

  • Should a memberless change $Object; continue to infer refresh in separate validity-focused fixes, or should the explicit refresh modifier be the only authoring form?