I'll get back to you in a minute.

Meaning

I need a short time to finish what I'm doing before I can talk to you.

Examples

• John: 'Do you have a moment to discuss the report?'<br>
• Alice: '<b>I'll get back to you in a minute.</b> I'm just finishing this email.'
• John: '<b>I'll get back to you in a minute.</b> I'm on a call right now.'
• Alice: 'Can you help me with this problem?'<br>