Creates a new CatalogRow.
All mutations have exactly one input field called input with a unique input and return type. This is useful to write mutations with variables, so there is always one single variable per mutation. This makes it easier to use and reuse them.
The id of the Catalog in which to create the row.
The position of the new CatalogRow.
Cells to set on the new CatalogRow; each entry is either a text or a link cell. When the Catalog has a primary column, exactly one text cell must target it with a non-empty value.
The CatalogRow that was just created.