# Important Note on Memory Overwrites

Drizz Memory works as a single-source key–value store, which means:

1. Storing a value into the same variable name twice will overwrite the previous value.
2. The original value is permanently lost, and only the most recent value remains available.
3. Testers must be very particular and intentional when naming variables, especially in flows where multiple dynamic values (OTP, IDs, codes) appear sequentially.<br>

**Incorrect practice:**

Store the OTP as otp\_details → first value

Store the new OTP as otp\_details → overwrites previous value (context lost)

**Correct practice:**

Store the OTP as otp\_details\_initial

Store the new OTP as otp\_details\_resend

<br>


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