columns
Sets the number of columns to arrange the dialog entries in. Defaults to 2 if unspecified:contentReference[oaicite:20]{index=20}.
Return
this builder
Parameters
columns
number of columns (must be positive)
Sets the number of columns to arrange the dialog entries in. Defaults to 2 if unspecified:contentReference[oaicite:20]{index=20}.
this builder
number of columns (must be positive)