CCrmEntityBindingProxy::getFieldsInfo

protected function getFieldsInfo()
{
	if(!$this->FIELDS_INFO)
	{
		$this->FIELDS_INFO = array(
			'SORT' => array(
				'TYPE' => 'integer',
				'CAPTION' => Loc::getMessage('CRM_REST_ENTITY_BINDING_FIELD_SORT')
			),
			'IS_PRIMARY' => array(
				'TYPE' => 'char',
				'CAPTION' => Loc::getMessage('CRM_REST_ENTITY_BINDING_FIELD_IS_PRIMARY')
			)
		);
		$entityFieldName = EntityBinding::resolveEntityFieldName($this->entityTypeID);
		if($entityFieldName !== '')
		{
			$this->FIELDS_INFO[$entityFieldName] = array(
				'TYPE' => 'integer',
				'ATTRIBUTES' => array(\CCrmFieldInfoAttr::Required),
				'CAPTION' => \CCrmOwnerType::GetDescription($this->entityTypeID)
			);
		}
		else
		{
			$entityTypeName = CCrmOwnerType::ResolveName($this->entityTypeID);
			throw new RestException("The entity type '{$entityTypeName}' is not supported in current context.");
		}
	}
	return $this->FIELDS_INFO;
}