Elastic Compute Service:ModifyCommand

The region ID of the command. You can call the DescribeRegions operation to query the most recent region list.

The command ID. You can call the DescribeCommands operation to query all available command IDs.

The command name. The name supports all character sets and can be up to 128 characters in length.

The command description. The description supports all character sets and can be up to 512 characters in length.

The command content. The command content can be plaintext or Base64-encoded. Take note of the following items:

• The Base64-encoded command content can be up to 16 KB in size.

• If the command content is Base64-encoded, set ContentEncoding to Base64.

• If you set EnableParameter to true, the custom parameter feature is enabled and you can specify custom parameters based on the following rules:

  • Specify custom parameters in the {{}} format. When parameter names are enclosed in {{}}, the spaces and line feeds before and after the parameter names are ignored.
  • You can specify up to 20 custom parameters.
  • A custom parameter name can contain only letters, digits, underscores (_), and hyphens (-). The name is not case-sensitive.
  • Each custom parameter name cannot exceed 64 bytes in length.

The working directory of the command.

The maximum timeout period for the command to be run on the instance. Unit: seconds. When a command cannot run within the specified time range, the command times out. Then, the command process is forcibly terminated by canceling the process ID (PID) of the command.