bulding indicator upgrade with especially features.[PineScript] -- 2

I am looking for a skilled PineScript developer to upgrade my indicator with specific features.

Features needed:
- Alerts only
- Backtesting capabilities
- Customizable parameters

The client already has a specific indicator in mind that they want to upgrade.

The project needs to be completed within a timeframe of 5 days.

Ideal skills and experience for the job:
- Strong proficiency in PineScript
- Experience in upgrading indicators
- Knowledge of creating alerts and backtesting capabilities
- Ability to customize indicator parameters.