Need to know how to create a default value in a template

Ramachandran Gunasekaran_u3rzij

We need to add a custom field with a template like below. please help a confiqure field which needs to render

[INTAKE FORM]

Please update the below details.

Row1 Column1	Row1 Column2
Row2 Column1	Row2 Column2
Row3 Column1	Row3 Column2