# ANN Insert Operator: Milvus

*author: shiyu*

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## Desription

Insert data into Milvus collections. **Please make sure you have [created Milvus Collection](https://milvus.io/docs/v2.0.x/create_collection.md) before loading the data.**

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## Code Example

### Example

*Write the pipeline in simplified style:*

```python
import towhee

towhee.dc(your_embeddings) \
    .ann_insert.milvus(uri='tcp://<milvus-host>:<milvus-port>/<collection-name>')
```

*Write a same pipeline with explicit inputs/outputs name specifications:*

```python
import towhee

towhee.dc['vec'](your_embeddings) \
    .ann_insert.milvus['vec', 'results'](uri='tcp://<milvus-host>:<milvus-port>/<collection-name>') \
    .show()
```

<img src="./result.png" height="150px"/>

### Load Collection

> Please load the Collection after inserted data.

```python
collection.load()
```

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## Factory Constructor

Create the operator via the following factory method:

***ann_insert.milvus(collection)***

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**Parameters:**

***uri:*** *str*

The uri for Milvus Collection, such as `tcp://<milvus-host>:<milvus-port>/<collection-name>`.


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## Interface

**Parameters:**

***data:*** *list*

The embedding data to be inserted.

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**Returns:** *mr*

Return milvus results with `milvus.insert`.