# Adding the prefix "1" to the number The task is to **add** the prefix "1" to a number. For example, numbers 4952293042 and 4996382584 should be transformed into **1**4952293042 and **1**4996382584, respectively. 1. Navigate to the "**Routing**" → "**Outbound Routes**" section. Click "**Add New Rule**."

2. Create the pattern as shown in the image:

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