Parameters
JSON body
Request body
application/jsontypeCodestringRequiredTemplate type code (must exist in brj__emailer_template_type).
localestringRequiredTarget locale code (cs, en, …).
templateCodeVariantstringOptionalOptional variant suffix (used by order-status-notification).
fromDefaultbooleanRequiredWhen true, pre-fill subject + body from the system default; otherwise create an empty override.