resolveAttribute

[ Function ]

public static resolveAttribute(
    expression: string,
    name: string,
    callback?: (
        (
            this: void,
            data: TcHmi.Symbol.IAttributeResultObject
        ) => void
    )
): void;

Returns a specific attribute from the schema of the corresponding symbol.

This function can be used to obtain a specific attribute of a PLC symbol.

Parameter

Name

Type

Description

expression

string

Symbol expression

name

string

Name of the attribute

callback [ optional ]

((this: void, data: TcHmi.Symbol.IAttributeResultObject) => void)

This is triggered when the result is available.

Return value

Type

Description

void

No return value

resolveAttribute 1:

Available from version 1.12