Text, call or email a contact in Contacts on Mac
You can easily get in touch with a contact directly from their card in the Contacts app.
In the Contacts app
on your Mac, select a contact.Click a button under the contact’s name (or use the Touch Bar) to start a text message, a phone or audio call, a video call or an email.
You can also move the pointer over a field in the contact card, then click the button that appears to the side.
Message button
: Start a text message using the Messages app. If your contact doesn’t use Messages, you may be able to send an SMS message instead.If you have a choice of which contact information to use – such as work, home and mobile phone numbers – choose the one to use. Contacts labels the button with your choice and uses it each time you click the button, until you Control-click or force click the button to choose a different one.
Call button
: Make a phone call from your Mac (if you set it up for phone calls). If you enabled Real-Time Text (RTT) phone calls, you can click the RTT button 
to make an RTT call. If your Mac is set up for FaceTime calls, you can make a FaceTime audio call.Video button
: Make a video call using FaceTime.To make a video call using FaceTime, your Mac and your contact’s Mac or iOS device must support FaceTime.
Email button
: Start writing an email addressed to the contact using the Mail app.
If you have a choice of which contact information to use – such as work, home and mobile phone numbers – choose the one to use. Contacts labels the button with your choice and uses it each time you click the button, until you Control-click or force click the button to choose a different one.
Tip: Set a custom ringtone or text tone in a friend’s card, so you know who’s contacting you just by the sound. Click Edit in a card, click the ringtone or text tone pop-up menu, then choose a sound.