AWS SDK Version 3 for .NET
API Reference

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Delivers a message to the specified queue.

A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed:

#x9 | #xA | #xD | #x20 to #xD7FF | #xE000 to #xFFFD | #x10000 to #x10FFFF

Any characters not included in this list will be rejected. For more information, see the W3C specification for characters.

Note:

This is an asynchronous operation using the standard naming convention for .NET 4.5 or higher. For .NET 3.5 the operation is implemented as a pair of methods using the standard naming convention of BeginSendMessage and EndSendMessage.

Namespace: Amazon.SQS
Assembly: AWSSDK.SQS.dll
Version: 3.x.y.z

Syntax

C#
public virtual Task<SendMessageResponse> SendMessageAsync(
         String queueUrl,
         String messageBody,
         CancellationToken cancellationToken
)
Parameters
queueUrl
Type: System.String

The URL of the Amazon SQS queue to which a message is sent. Queue URLs and names are case-sensitive.

messageBody
Type: System.String

The message to send. The minimum size is one character. The maximum size is 256 KB. A message can include only XML, JSON, and unformatted text. The following Unicode characters are allowed: #x9 | #xA | #xD | #x20 to #xD7FF | #xE000 to #xFFFD | #x10000 to #x10FFFF Any characters not included in this list will be rejected. For more information, see the W3C specification for characters.

cancellationToken
Type: System.Threading.CancellationToken

A cancellation token that can be used by other objects or threads to receive notice of cancellation.

Return Value
The response from the SendMessage service method, as returned by SQS.

Exceptions

ExceptionCondition
InvalidMessageContentsException The message contains characters outside the allowed set.
UnsupportedOperationException Error code 400. Unsupported operation.

Version Information

.NET Core App:
Supported in: 3.1

.NET Standard:
Supported in: 2.0

.NET Framework:
Supported in: 4.5

See Also