Utility/Fields/FieldBase.php
public function saveRepeaterField()
    {
        $repeaterId = $this->repeaterId;

        $repeaterTranslate = RepeaterTranslation::firstOrNew(array('id' => $this->translationId));

        if (!$repeaterTranslate->id) {
            $entity = Entity::getEntity($this->entityId, $this->entityType, $repeaterId);
            if (!$entity->id) {
                $entity->entity_id = $this->entityId;
                $entity->entity_type = $this->entityType;
                $entity->field_id = $repeaterId;
                $entity->save();
            }
            $repeaterTranslate->entity_repeater_id = $entity->id;
            $repeaterTranslate->locale = $this->locale;
            $repeaterTranslate->save();
        }
        $this->model->translation_id = $repeaterTranslate->id;
        $this->model->field_id = $this->fieldId;

        $this->model->value = $this->getValue();
        $this->model->save();
        // assign translate_id to same group;
        $this->translationId = $this->model->translation_id;
    }
public function saveRepeaterField()
    {
        $repeaterId = $this->repeaterId;

        $repeaterTranslate = RepeaterTranslation::firstOrNew(array('id' => $this->translationId));

        if (!$repeaterTranslate->id) {
            $entity = Entity::getEntity($this->entityId, $this->entityType, $repeaterId);
            if (!$entity->id) {
                $entity->entity_id = $this->entityId;
                $entity->entity_type = $this->entityType;
                $entity->field_id = $repeaterId;
                $entity->save();
            }
            $repeaterTranslate->entity_repeater_id = $entity->id;
            $repeaterTranslate->locale = $this->locale;
            $repeaterTranslate->save();
        }
        $this->model->translation_id = $repeaterTranslate->id;
        $this->model->field_id = $this->fieldId;

        $this->model->value = $this->getValue();
        $this->model->save();
        // assign translate_id to same group;
        $this->translationId = $this->model->translation_id;
    }
Save repeat data for field of repeater.