# Select Audience
To select the target audience to send the Broadcast message, you can either choose to [Upload Contacts from Excel](#upload-contacts-from-excel) or [Select from Contact Group in Gallabox](#select-from-contact-group).
{% hint style="info" %}
Make sure to add Phone numbers (**with country code,** e.g., +91, +1, or +971)
{% endhint %}
Let's see in detail both the options:
## Upload Contacts from Excel
Send Tailored Messages to Contacts in Your Excel Spreadsheet.
1. Click on **Upload Contacts** button to download the sample file.
2. Download the *Sample file*. Restructure your data (the Names and the Phone number) as per the Sample file.
Sample File:
The Column Name 1 (in the above screenshot) is for the variables that you have defined in your Message Template. If your Message Template has 4 variables like {{name}}, {{orderId}}, {{price}}, and {{brandName}} then the sample file would be:
After re-structuring the data as per the sample file, it should look something like:
3. After you are done re-structuring the data as per the sample file, it is time to upload the excel file in Gallabox.
## Select from Contact Group
Make a New Contact Group or Pick an Existing one to send Tailored Messages to.
1. Click on **Select Group** button to create a contact group or select from the existing.
2. To create a Contact Group, click on Create Group as shown the GIF below. Click on Filter and filter out the contacts based on Email, tags, marketing opt-in or other fields. Provide the name for the Contact group and click on Create Group.
### Map the variables
After the upload or selecting the contact group, you can preview the data to be mapped with the right values or variables.
1. If your WhatsApp Template has pre-defied variables, then you can map the variables and add the Payload for the buttons in the WhatsApp Template (if you would like to run any Bot flow once you get the response from the customer).
2. If your WhatsApp Template has a CTA button with ***Dynamic URL*** you will have the option to pick one variable. Adding a variable creates a personalized link for the customer to view their info. Only one variable can be added to the end of a URL.
3. If your WhatsApp Template has a Media, you have ethe option to add a variable or upload the media file from your device.
### Related Read
