Updates configuration of an existing external feed.

Use this to:

• Update feed URLs when data sources change
• Modify authentication credentials
• Change cache and retry settings
• Update custom headers
• Rename feeds for better organization

Key information returned:

• Success confirmation message

Important considerations:

• Only provided fields will be updated
• Feed UUID must exist in your account
• Authentication changes require verification
• URL changes should be tested before campaign use
• Monitor campaigns using this feed after updates