# All Superinterfaces:
`Block`, `Block.Impl`, `Block.Out`, `Block.OutImpl`

Enclosing interface:
`Block`

---

public static interface Block.MultiOutImpl  
extends [Block.OutImpl](/content/javadoc/com/rpl/rama/Block.OutImpl.html "interface in com.rpl.rama"/index.html)

## Nested Class Summary

## Nested classes/interfaces inherited from interface com.rpl.rama. [Block](/content/javadoc/com/rpl/rama/Block.html "interface in com.rpl.rama"/index.html)

`Block.Impl, Block.MultiOutImpl, Block.Out, Block.OutImpl`

## Method Summary

All Methods
Instance Methods
Abstract Methods

Modifier and Type

Method

Description

`Block.MultiOutImpl`

`outStream(String streamName, String anchor, String... vars)`

Capture output of a non-default stream of previous node into vars.

### Methods inherited from interface com.rpl.rama. [Block.Impl](/content/javadoc/com/rpl/rama/Block.Impl.html "interface in com.rpl.rama"/index.html)

`ackReturn, agg, agg, allPartition, allPartition, anchor, atomicBlock, batchBlock, branch, compoundAgg, compoundAgg, cond, continueLoop, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, customPartition, depotPartitionAppend, depotPartitionAppend, directPartition, directPartition, each, each, each, each, each, each, each, each, each, each, each, each, each, each, each, each, each, each, eachAsync, eachAsync, eachAsync, eachAsync, eachAsync, eachAsync, eachAsync, eachAsync, eachAsync, emitLoop, execute, explodeMaterialized, explodeMicrobatch, freshBatchSource, globalPartition, globalPartition, groupBy, groupBy, groupBy, groupBy, groupBy, groupBy, hashPartition, hashPartition, hook, ifTrue, ifTrue, invokeQuery, keepTrue, limitAgg, localClear, localSelect, localSelect, localTransform, loop, loopWithVars, macro, materialize, originPartition, pathPartition, select, select, shufflePartition, subBatch, subSource, unify, yieldIfOvertime`

### Methods inherited from interface com.rpl.rama. [Block.Out](/content/javadoc/com/rpl/rama/Block.Out.html "interface in com.rpl.rama"/index.html)

`out`

## Method Details

### outStream

[Block.MultiOutImpl](/content/javadoc/com/rpl/rama/Block.MultiOutImpl.html "interface in com.rpl.rama"/index.html) outStream( [String](https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/String.html "class or interface in java.lang") streamName,  
[String](https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/String.html "class or interface in java.lang") anchor,  
[String](https://docs.oracle.com/en/java/javase/21/docs/api/java.base/java/lang/String.html "class or interface in java.lang")... vars)

Capture output of a non-default stream of previous node into vars. Number of vars captured must match output arity of that stream.

**Parameters:**
- `streamName` - Name of stream to capture from previous operation
- `anchor` - Label for this output node
- `vars` - Vars to bind to output

See Also:
- [Dataflow documentation](/content/docs/~/tutorial4.html)