---
title: Warehouse Placeholder Variable Name (Dataflow)
description: Warehouse Placeholder Variable Name (WarehousePlaceholderVariableName) lets the task that runs the loader of one dataflow use its own Snowflake warehouse.
---

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# Warehouse Placeholder Variable Name (Dataflow)

**Applies to**  
Platform: Snowflake

Warehouse Placeholder Variable Name (`WarehousePlaceholderVariableName`) lets the task that runs the loader of one dataflow use its own Snowflake warehouse. Set it on a dataflow whose load needs another warehouse than the rest of its layer.

Only the native Snowflake generator configurations offer the property; Snowflake dbt does not.

### Where to set it

The property is set per dataflow. Set it when you [edit a dataflow](https://knowledge.bigenius-x.com/edit-a-data-flow?hsLang=en). It is offered on the dataflows of every model object type except Source, Hierarchy Flatten and Mart Hierarchy Flatten.

### Values and default

- Empty (default): the task runs in the warehouse of the layer, `<project>#<layer>#default_warehouse_name`.
- A name, for example `heavy_loads`: the generator adds the placeholder variable `<project>#warehouse_name#<value>`, with the value in lower case. Dataflows with the same value share the variable.

`<project>` is the Project Identifier and `<layer>` the layer of the model object, for example `rawvault`.

### Effect on generated output

- `replacement_config.json` lists the new variable. You enter the name of an existing warehouse there when you replace the placeholders, see [Snowflake - Placeholder values](https://knowledge.bigenius-x.com/snowflake-placeholder-values-2.0?hsLang=en).
- Depending Tasks and Near-Realtime Tasks: the task of the loader gets `WAREHOUSE = {<project>#warehouse_name#<value>}`.
- Airflow: the operator of the loader gets `warehouse='{<project>#warehouse_name#<value>}'`.
- Stage-Driven Tasks: no effect. The task of a Stage model object calls all dependent loaders in the warehouse of the Stage layer.

### Example

The dataflow of a Satellite `BRANCH` has the value `heavy_loads`. With the LoadControl Option `Depending Tasks`, the task of the Satellite starts like this:

```
CREATE OR REPLACE TASK LC_RDV_SAT_BRANCH_TASK
    WAREHOUSE = {<project>#warehouse_name#heavy_loads}
AS
...
```

Without the value, the same task has `WAREHOUSE = {<project>#rawvault#default_warehouse_name}`. `replacement_config.json` lists `<project>#warehouse_name#heavy_loads` with an empty value. Enter a warehouse there, for example `LOAD_WH_L`.

### Related articles

- Previous: [Edit a Dataflow](https://knowledge.bigenius-x.com/edit-a-data-flow?hsLang=en)
- Reference: [LoadControl Options (Project)](https://knowledge.bigenius-x.com/loadcontrol-options-project?hsLang=en) 
    - Snowflake: [Placeholder values](https://knowledge.bigenius-x.com/snowflake-placeholder-values-2.0?hsLang=en)
- See also: 
    - Snowflake: [Load data - Native Load Control](https://knowledge.bigenius-x.com/snowflake-load-data-native-load-control-2.0?hsLang=en), [Load data - Apache Airflow Load Control](https://knowledge.bigenius-x.com/snowflake-load-data-apache-airflow-load-control-2.0?hsLang=en), [Target environment](https://knowledge.bigenius-x.com/snowflake-target-environment?hsLang=en)

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