To create a personalized mailing list, you need to create a table in Excel of a similar type:
Where instead of columns with titles (1) and (2) there can be any of your data, as well as continued in the same format.
Next, when creating a newsletter, you need to select the menu for loading phone numbers from a file:
And select the file you previously created.
Further in the text field all text written in this form: "Hello, (1) (2)" will be replaced by the following "Hello Some_name Some_parameter"