perses-variable-manage

Create cascading dashboard variables in Perses by defining parent-child dependencies between ListVariables and TextVariables, ensuring child variables respect parent values through deterministic variable ordering and robust interpolation handling.

Variable interpolation in Perses formats variable values for queries using formats like csv, json, regex, lucene, pipe, or glob. You need it when cascading filters pass values between parent and child variables across global, project, or dashboard scopes.

Yes, you can manage Perses variables using percli as a fallback when MCP is unavailable. The workflow is MCP-first, using percli to handle project and dashboard variable creation, chaining, and lifecycle management when the primary connection fails.

The best way to prevent misconfiguration when adding Perses filters is to enforce governance rules, validations, and anti-patterns during variable creation, ensuring deterministic ordering and correct interpolation formats across all scopes.

Child variables fail to respect parent values when deterministic variable ordering or interpolation formats are misconfigured. Ensure cascading dependencies are correctly defined and governance validations are applied to prevent broken dashboard filters.