How do I customize my text messages

PEDSOT1997 Said:

"How do I customize my text messages: How do I customize my individual text messages on my IPhone 14 Pro"

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Sending Formatted Text Messages:

A. Using a Text Formats for Messages:

You Can't. Creating a format for submitting a text message is not an option.

B. Use a Screenshot:

If you wanted to, you could take a screenshot of formatted text, and then send that.

Customize? What you want to do is not clear to me.