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Update from code changes: custom metrics cloned from existing metrics#1036

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Update from code changes: custom metrics cloned from existing metrics#1036
mintlify[bot] wants to merge 1 commit into
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mintlify/653dc026

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@mintlify mintlify Bot commented Jul 18, 2026

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Summary

Documents the new Create custom metric action that clones an existing YAML metric into an editable custom metric, and notes the base-dimension requirement for dbt write-back.

Changes

  • guides/custom-fields.mdx: new "Creating a custom metric from an existing metric" section covering entry points (field-tree ⋯ menu and results column header), aggregate-only eligibility, what gets cloned (SQL, type, formatting, filters), default filter targeting via the base metric's underlying dimension, MIN/MAX date-formatting carry-over, and the source-metric provenance shown in edit mode.
  • guides/developer/dbt-write-back.mdx: callout that Write back to dbt is hidden for custom metrics without a base dimension (cloned-from-metric customs).

Context

Source PR: lightdash/lightdash#25751 — "feat: create custom metrics from existing explore metrics".

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github-actions Bot commented Jul 18, 2026

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All checks passed! No issues found.

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mintlify Bot requested a review from pimmey July 18, 2026 00:44
@mintlify

mintlify Bot commented Jul 18, 2026

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Project Status Preview Updated (UTC)
lightdash 🟢 Ready View Preview Jul 18, 2026, 12:47 AM

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