DynamoGetItemProps Struct
Properties for DynamoGetItem Task.
Example
declare const myTable: dynamodb.Table;
new tasks.DynamoGetItem(this, 'Get Item', {
key: { messageId: tasks.DynamoAttributeValue.fromString('message-007') },
table: myTable,
});
Properties
assignoptional{ [key: string]: any }assignoptionaltyping.Mapping[str, Any]assignoptionalMap<String, Object>AssignoptionalIDictionary<string, object>Assignoptional*map[string]interface{}#Default: Not assign variables
Using workflow variables, you can store data in a step and retrieve that data in future steps.
commentoptionalstringcommentoptionalstrcommentoptionalStringCommentoptionalstringCommentoptional*string#Default: No comment
consistentReadoptionalbooleanconsistent_readoptionalboolconsistentReadoptionalBooleanConsistentReadoptionalboolConsistentReadoptional*bool= false#otherwise, the operation uses eventually consistent reads.
credentialsoptionalCredentialscredentialsoptionalCredentialscredentialsoptionalCredentialsCredentialsoptionalCredentialsCredentialsoptionalCredentials#Default: None (Task is executed using the State Machine's execution role)
This enables cross-account resource invocations.
expressionAttributeNamesoptional{ [key: string]: string }expression_attribute_namesoptionaltyping.Mapping[str, str]expressionAttributeNamesoptionalMap<String, String>ExpressionAttributeNamesoptionalIDictionary<string, string>ExpressionAttributeNamesoptional*map[string]*string#Default: No expression attributes
heartbeatoptionalDurationheartbeatoptionalDurationheartbeatoptionalDurationHeartbeatoptionalDurationHeartbeatoptionalDuration= Nonedeprecated#heartbeatTimeoutoptionalTimeoutheartbeat_timeoutoptionalTimeoutheartbeatTimeoutoptionalTimeoutHeartbeatTimeoutoptionalTimeoutHeartbeatTimeoutoptionalTimeout= None#[disable-awslint:duration-prop-type] is needed because all props interface in aws-stepfunctions-tasks extend this interface
inputPathoptionalstringinput_pathoptionalstrinputPathoptionalStringInputPathoptionalstringInputPathoptional*string= $#May also be the special value JsonPath.DISCARD, which will cause the effective input to be the empty object {}.
integrationPatternoptionalIntegrationPatternintegration_patternoptionalIntegrationPatternintegrationPatternoptionalIntegrationPatternIntegrationPatternoptionalIntegrationPatternIntegrationPatternoptionalIntegrationPattern#Default: IntegrationPattern.REQUEST_RESPONSE for most tasks. IntegrationPattern.RUN_JOB for the following exceptions: BatchSubmitJob, EmrAddStep, EmrCreateCluster, EmrTerminationCluster, and EmrContainersStartJobRun.
You can control these AWS services using service integration patterns.
Depending on the AWS Service, the Service Integration Pattern availability will vary.
key{ [key: string]: DynamoAttributeValue }keytyping.Mapping[str, DynamoAttributeValue]keyMap<String, DynamoAttributeValue>KeyIDictionary<string, DynamoAttributeValue>Key*map[string]DynamoAttributeValuerequired#notes
For the primary key, you must provide all of the attributes. For example, with a simple primary key, you only need to provide a value for the partition key. For a composite primary key, you must provide values for both the partition key and the sort key.
outputPathoptionalstringoutput_pathoptionalstroutputPathoptionalStringOutputPathoptionalstringOutputPathoptional*string= $#May also be the special value JsonPath.DISCARD, which will cause the effective output to be the empty object {}.
outputsoptionalanyoutputsoptionalAnyoutputsoptionalObjectOutputsoptionalobjectOutputsoptionalinterface{}#Default: $states.result or $states.errorOutput
notes
When specified, the value overrides the state output default. The output field accepts any JSON value (object, array, string, number, boolean, null). Any string value, including those inside objects or arrays, will be evaluated as JSONata if surrounded by {% %} characters. Output also accepts a JSONata expression directly.
projectionExpressionoptionalDynamoProjectionExpression[]projection_expressionoptionaltyping.List[DynamoProjectionExpression]projectionExpressionoptionalList<DynamoProjectionExpression>ProjectionExpressionoptionalDynamoProjectionExpression[]ProjectionExpressionoptional*[]DynamoProjectionExpression#Default: No projection expression
These attributes can include scalars, sets, or elements of a JSON document.
queryLanguageoptionalQueryLanguagequery_languageoptionalQueryLanguagequeryLanguageoptionalQueryLanguageQueryLanguageoptionalQueryLanguageQueryLanguageoptionalQueryLanguage= JSONPath#If the state does not contain a queryLanguage field, then it will use the query language specified in the top-level queryLanguage field.
resultPathoptionalstringresult_pathoptionalstrresultPathoptionalStringResultPathoptionalstringResultPathoptional*string= $#May also be the special value JsonPath.DISCARD, which will cause the state's input to become its output.
resultSelectoroptional{ [key: string]: any }result_selectoroptionaltyping.Mapping[str, Any]resultSelectoroptionalMap<String, Object>ResultSelectoroptionalIDictionary<string, object>ResultSelectoroptional*map[string]interface{}= None#You can use ResultSelector to create a payload with values that are static or selected from the state's raw result.
returnConsumedCapacityoptionalDynamoConsumedCapacityreturn_consumed_capacityoptionalDynamoConsumedCapacityreturnConsumedCapacityoptionalDynamoConsumedCapacityReturnConsumedCapacityoptionalDynamoConsumedCapacityReturnConsumedCapacityoptionalDynamoConsumedCapacity= DynamoConsumedCapacity.NONE#stateNameoptionalstringstate_nameoptionalstrstateNameoptionalStringStateNameoptionalstringStateNameoptional*string#Default: The construct ID will be used as state name