nrf_cloud_shadow_transform_request()

int nrf_cloud_shadow_transform_request	(	char const *const	transform,
		const size_t	max_response_len )

#include <include/net/nrf_cloud.h>

Request shadow data over MQTT using a JSONata expression. For example, to request the reported device info section, the transform would be: "state.reported.device.deviceInfo". The application will receive response data in an NRF_CLOUD_EVT_RX_DATA_SHADOW event. The nrf_cloud_obj_shadow_data will be of the type NRF_CLOUD_OBJ_SHADOW_TYPE_TF.

Parameters

transform	The JSONata expression.
max_response_len	The maximum allowable length of the cloud's response. Set to 0 to use the default length: NRF_CLOUD_TRANSFORM_MAX_RESPONSE_LEN.

Return values

0	Request was sent successfully.
-ENOTSUP	Error; CONFIG_NRF_CLOUD_MQTT_SHADOW_TRANSFORMS is not enabled.
-EINVAL	Error; invalid parameter.

Returns

A negative value indicates an error.