The technical source makes it possible to know the source of the data.
To edit / modify a source:
You can edit a source by clicking on or create a new source by clicking on
During its creation The identifier is created automatically following the others.
When importing files, you must indicate the identifier of your source.
For example :
Above, there are two PrestaShop sources so as not to overwrite the first identifier and create a new one.
The contact with identifier = 10 arriving thanks to "PrestaShop" is not the same as the contact having an identifier = 10 arriving thanks to "PrestaShop-Newsletter".