STEP-1
Open the Calendar app on your iPhone.
White Frame Corner
STEP-2
Click the ' +' icon in the upper right corner to create a new event.
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STEP-3
Add Title and Location for New Event.
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STEP-4
Now tap on Invites.
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STEP-5
Click on the '+' icon to add contacts,
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STEP-6
Add the email or contact number of the person you want to invite to your event.
STEP-6
Tap Done to send the invitation.
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If we want to send an invitation for a unique event (birthday, dinner, work, etc…)
Tooltip
CLICK HERE