# minLength / maxLength / pattern guarded by data-table-column-name.openapi.test.ts (vs @n8n/api-types constants).
type: string
description: >-
  Column name. Must start with a letter; only letters, digits, and underscores
  after that; maximum 63 characters.
minLength: 1
maxLength: 63
pattern: '^[a-zA-Z][a-zA-Z0-9_]*$'
