If you want to transfer the same, fixed value for all variants of your catalogue to a sales channel data field, use the Custom Value Mapping.

Create a Custom Value Mapping

1. Click on + Add data field next to the sales channel data field.
2. Click on the plus symbol (+) right next to Custom value at the top.
   • The field for the custom value will be added.
3. Enter a value in the input field below.
   • Important: This value will be exported for all variants. It will also override the sales channel value in the case of complex mappings. Make sure that the value is accepted by the sales channel.