Send Key

Send complete key events, automatically handles press and release, supports single keys, multiple keys, and combination keys.

⚠️ Note: sendKey can only input keyboard characters (English letters, digits, and common symbols). It does not support other languages or arbitrary text. To send any text to the device, see Send Text.

Interface Description

Interface Type

sendKey

Parameters

Parameter	Type	Required	Description
deviceId	string	✅	Device ID
key	string	✅	Key (supports + concatenation)
fnkey	string	❌	Function key/modifier key (such as CTRL, SHIFT, etc., supports + concatenation)

Return Value

true  // Returns true on successful operation

Basic Usage

Input Single Character

// Input letter A
await apiInvoke('sendKey', {
    deviceId: 'P72578581E07',
    key: 'A'
});

Input Multiple Characters

// Input "HELLO"
await apiInvoke('sendKey', {
    deviceId: 'P72578581E07',
    key: 'HELLO'
});

// Equivalent to inputting H, E, L, L, O sequentially

Combination Key Usage

With Modifier Keys

// COMMAND + C (Copy)
await apiInvoke('sendKey', {
    deviceId: 'P72578581E07',
    key: 'C',
    fnkey: 'COMMAND'
});

// COMMAND + V (Paste)
await apiInvoke('sendKey', {
    deviceId: 'P72578581E07',
    key: 'V',
    fnkey: 'COMMAND'
});

// COMMAND + A (Select All)
await apiInvoke('sendKey', {
    deviceId: 'P72578581E07',
    key: 'A',
    fnkey: 'COMMAND'
});