Function formatParameterLabel

apps/sim/tools/params.ts:901–937

(paramId: string)

 * Formats parameter IDs into human-readable labels
 */
export function formatParameterLabel(paramId: string): string {
  // Special cases
  if (paramId === 'apiKey') return 'API Key'
  if (paramId === 'apiVersion') return 'API Version'
  if (paramId === 'accessToken') return 'Access Token'
  if (paramId === 'refreshToken') return 'Refresh Token'
  if (paramId === 'botToken') return 'Bot Token'

  // Handle underscore and hyphen separated words
  if (paramId.includes('_') || paramId.includes('-')) {
    return paramId
      .split(/[-_]/)
      .map((word) => word.charAt(0).toUpperCase() + word.slice(1))
      .join(' ')
  }

  // Handle single character parameters
  if (paramId.length === 1) return paramId.toUpperCase()

  // Handle camelCase
  if (/[A-Z]/.test(paramId)) {
    const result = paramId.replace(/([A-Z])/g, ' $1')
    return (
      result.charAt(0).toUpperCase() +
      result
        .slice(1)
        .replace(/ Api/g, ' API')
        .replace(/ Id/g, ' ID')
        .replace(/ Url/g, ' URL')
        .replace(/ Uri/g, ' URI')
        .replace(/ Ui/g, ' UI')
    )
  }

  // Simple case - just capitalize first letter
  return paramId.charAt(0).toUpperCase() + paramId.slice(1)
}

/**
 * SubBlock IDs that control tool routing, not user-facing parameters.