> ## Documentation Index
> Fetch the complete documentation index at: https://dragonwingdocs-staging.qualcomm.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Asps Acd Usecase API

**Header:** `spf/api/asps/asps_acd_usecase_api.h`

## Structures

### `asps_acd_usecase_register_payload_t`

ACD usecase(ASPS\_USECASE\_ID\_ACD) specific payload.

**Members**

<ParamField path="num_contexts" type="uint32_t">
  Number of context ids.
</ParamField>

<ParamField path="context_ids" type="uint32_t">
  Variable length array of context ids.
</ParamField>

### `asps_acd_usecase_register_ack_payload_t`

ACD usecase (ASPS\_USECASE\_ID\_ACD) specific ACK Payload structure.

**Members**

<ParamField path="module_instance_id" type="uint32_t">
  Module instance ID of which is configured with the following contexts ids.
</ParamField>

<ParamField path="num_contexts" type="uint32_t">
  Number of context ids.
</ParamField>

<ParamField path="context_ids" type="uint32_t">
  Variable length array of context ids.
</ParamField>

## Type Definitions

### `asps_acd_usecase_register_payload_t`

```cpp theme={null}
typedef struct asps_acd_usecase_register_payload_t asps_acd_usecase_register_payload_t
```

### `asps_acd_usecase_register_ack_payload_t`

```cpp theme={null}
typedef struct asps_acd_usecase_register_ack_payload_t asps_acd_usecase_register_ack_payload_t
```

## Macros

### `ASPS_USECASE_ID_ACD`

```c theme={null}
#define ASPS_USECASE_ID_ACD 0x0B001004
```