[Solved] How can you modify a URLSession to add custom headers to every request? — Ans: Create a URLSessionConfiguration, set httpAdditionalHeaders, then create a... | iOS Swift

iOS Swift - Networking

How can you modify a URLSession to add custom headers to every request?

AAdd headers directly to <code>URLSession.shared</code>

BModify the URL string to include headers

CSet headers inside the completion handler of dataTask

DCreate a <code>URLSessionConfiguration</code>, set <code>httpAdditionalHeaders</code>, then create a session with it

Step-by-Step Solution

Solution:

Step 1: Understand how to add headers globally
Custom headers are added by configuring URLSessionConfiguration and setting httpAdditionalHeaders.
Step 2: Create a session with the configuration
Use the configuration to create a new URLSession instance that applies headers to all requests.
Final Answer:
Create a URLSessionConfiguration, set httpAdditionalHeaders, then create a session with it -> Option D
Quick Check:
Custom headers = URLSessionConfiguration + httpAdditionalHeaders [OK]

Quick Trick: Use URLSessionConfiguration to add headers globally [OK]

Common Mistakes:

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How can you modify a URLSession to add custom headers to every request?