RuntimeClientEvaluateAsync Method

public Task<EvaluateResponse> EvaluateAsync(
	string expression,
	string objectGroup = null,
	Nullable<bool> includeCommandLineAPI = null,
	Nullable<bool> silent = null,
	Nullable<int> contextId = null,
	Nullable<bool> returnByValue = null,
	Nullable<bool> generatePreview = null,
	Nullable<bool> userGesture = null,
	Nullable<bool> awaitPromise = null,
	Nullable<bool> throwOnSideEffect = null,
	Nullable<long> timeout = null,
	Nullable<bool> disableBreaks = null,
	Nullable<bool> replMode = null,
	Nullable<bool> allowUnsafeEvalBlockedByCSP = null,
	string uniqueContextId = null
)

public:
Task<EvaluateResponse^>^ EvaluateAsync(
	String^ expression, 
	String^ objectGroup = nullptr, 
	Nullable<bool> includeCommandLineAPI = nullptr, 
	Nullable<bool> silent = nullptr, 
	Nullable<int> contextId = nullptr, 
	Nullable<bool> returnByValue = nullptr, 
	Nullable<bool> generatePreview = nullptr, 
	Nullable<bool> userGesture = nullptr, 
	Nullable<bool> awaitPromise = nullptr, 
	Nullable<bool> throwOnSideEffect = nullptr, 
	Nullable<long long> timeout = nullptr, 
	Nullable<bool> disableBreaks = nullptr, 
	Nullable<bool> replMode = nullptr, 
	Nullable<bool> allowUnsafeEvalBlockedByCSP = nullptr, 
	String^ uniqueContextId = nullptr
)

Parameters

expression

Type: SystemString
Expression to evaluate.

objectGroup (Optional)

Type: SystemString
Symbolic group name that can be used to release multiple objects.

includeCommandLineAPI (Optional)

Type: SystemNullableBoolean
Determines whether Command Line API should be available during the evaluation.

silent (Optional)

Type: SystemNullableBoolean
In silent mode exceptions thrown during evaluation are not reported and do not pauseexecution. Overrides `setPauseOnException` state.

contextId (Optional)

Type: SystemNullableInt32
Specifies in which execution context to perform evaluation. If the parameter is omitted theevaluation will be performed in the context of the inspected page.This is mutually exclusive with `uniqueContextId`, which offers analternative way to identify the execution context that is more reliablein a multi-process environment.

returnByValue (Optional)

Type: SystemNullableBoolean
Whether the result is expected to be a JSON object that should be sent by value.

generatePreview (Optional)

Type: SystemNullableBoolean
Whether preview should be generated for the result.

userGesture (Optional)

Type: SystemNullableBoolean
Whether execution should be treated as initiated by user in the UI.

awaitPromise (Optional)

Type: SystemNullableBoolean
Whether execution should `await` for resulting value and return once awaited promise isresolved.

throwOnSideEffect (Optional)

Type: SystemNullableBoolean
Whether to throw an exception if side effect cannot be ruled out during evaluation.This implies `disableBreaks` below.

timeout (Optional)

Type: SystemNullableInt64
Terminate execution after timing out (number of milliseconds).

disableBreaks (Optional)

Type: SystemNullableBoolean
Disable breakpoints during execution.

replMode (Optional)

Type: SystemNullableBoolean
Setting this flag to true enables `let` re-declaration and top-level `await`.Note that `let` variables can only be re-declared if they originate from`replMode` themselves.

allowUnsafeEvalBlockedByCSP (Optional)

Type: SystemNullableBoolean
The Content Security Policy (CSP) for the target might block 'unsafe-eval'which includes eval(), Function(), setTimeout() and setInterval()when called with non-callable arguments. This flag bypasses CSP for thisevaluation and allows unsafe-eval. Defaults to true.

uniqueContextId (Optional)

Type: SystemString
An alternative way to specify the execution context to evaluate in.Compared to contextId that may be reused accross processes, this is guaranteed to besystem-unique, so it can be used to prevent accidental evaluation of the expressionin context different than intended (e.g. as a result of navigation accross processboundaries).This is mutually exclusive with `contextId`.

Return Value

Reference