How to add custom variable on sky email sender software?

Why need to add custom variable?

For example, We send member points to customers, the points for each customer are different.

Step 1: Prepare CSV file

Make a csv file as below format, Email field must be included.

Download the csv test file here

Step 2: Insert custom variable in email template

You can add custom variable in email template/subject/hyperlink, for this example, we add two variables: {Firstname},{Point}

Step 3: Import email list contain custom variables when you start a new email sending task

Step 4: Customer will receive the email as below