# Set

## Function

This API is used to set parameter for AI > Setup > Line Crossing Detection page.

## Request Message

See AI > Setup > Line Crossing Detection > Get > Parameter Description > Table 2 for parameter description.

Sample:

    POST API/AI/Setup/LCD/Set HTTP/1.1

    {
        "version": "1.0",
        "data": {
            "channel_info": {"CH1": {
                "status": "Online",
                "switch": true,
                "sensitivity": 2,
                "detection_type": [],
                "rule_info": {
                    "rule_number1": {
                        "rule_switch": true,
                        "rule_type": "A<-->B",
                        "rule_line": {
                            "x1": 406,
                            "y1": 165,
                            "x2": 396,
                            "y2": 482
                        }
                    },
                    "rule_number2": {
                        "rule_switch": true,
                        "rule_type": "A<-->B",
                        "rule_line": {
                            "x1": 263,
                            "y1": 171,
                            "x2": 254,
                            "y2": 483
                        },
                        "rule_number": "rule_number2"
                    },
                    "rule_number3": {
                        "rule_switch": false,
                        "rule_type": "A->B",
                        "rule_line": {
                            "x1": 0,
                            "y1": 0,
                            "x2": 0,
                            "y2": 0
                        }
                    },
                    "rule_number4": {
                        "rule_switch": false,
                        "rule_type": "A->B",
                        "rule_line": {
                            "x1": 0,
                            "y1": 0,
                            "x2": 0,
                            "y2": 0
                        }
                    }
                },
                "chn_index": "CH1",
                "page": "chn_lcd",
                "rule": {
                    "rule_switch": true,
                    "rule_type": "A<-->B",
                    "rule_line": {
                        "x1": 263,
                        "y1": 171,
                        "x2": 254,
                        "y2": 483
                    },
                    "rule_number": "rule_number2"
                }
            }},
            "page_type": "ChannelConfig"
        }
    }

## Response Message

## Error_Code Response

Error Information JSON(show as follow Table AI > Setup > Line Crossing Detection > Get > Parameter Description > Table 8)(cloud_video_upload_chn_limit the return information attached to the error code)

Sample:

    HTTP/1.1 200 OK
    Content-Type: application/json

    {
        "result": "success",
        "data": {}
    }

## Error Code

See Response Messages Body and Common error_code for more information.