# 46. Mutation: Generate multi-layer "ZonesMap" asynchronously

Generate "ZonesMap" based on multiple layers for the "Field" asynchronously.

{% hint style="info" %}
The asynchronous approach generates a task (Generate "generateVectorAnalysisMap") to process and the Subscription will be received as soon as the processing is finished.
{% endhint %}

Attribute `dataLayers` contains the necessary information per data layer to utilize in the result "ZonesMap". The attribute `factor` represents the **weight** of the data layer.

{% code overflow="wrap" lineNumbers="true" %}

```graphql
mutation GenerateMultiLayerZonesMapAsync {
  generateMultiLayersVectorAnalysisMapAsync(input: {
    fieldUuid: "<placeholder_of_field_uuid>"
    numberOfZones:7
    name: "MultiYear f1.0 + LIDAR Slope f-0.5 + OM f0.5 + VolDr f0.2"
    dataLayers: [{
      factor: 1.0
      satelliteImageUuids: [
        "<placeholder_of_satelliteimage_uuid_1>",
	"<placeholder_of_satelliteimage_uuid_2>",
        "<placeholder_of_satelliteimage_uuid_3>",
        "<placeholder_of_satelliteimage_uuid_4>",
        "<placeholder_of_satelliteimage_uuid_5>",
        "<placeholder_of_satelliteimage_uuid_6>",
        "<placeholder_of_satelliteimage_uuid_7>",
        "<placeholder_of_satelliteimage_uuid_8>",
        "<placeholder_of_satelliteimage_uuid_9>",
        "<placeholder_of_satelliteimage_uuid_10>"
      ]
    	index: EVI2
    }, {
      factor: -0.5
      topographyMapUuid: "<placeholder_of_topographymap_uuid>"
    	topographyAttribute: slope
    }, {
      factor: 0.5
      soilDatasetUuid: "<placeholder_of_soildataset_uuid>"
      soilAttribute: "Soil_OM___"
    }, {
      factor: 0.2
      yieldDatasetUuid: "<placeholder_of_yielddataset_uuid>"
      yieldAttribute: vol_d
    }]
  }) {    
    uuid 
    fieldUuid
    statusCode  
  }
}

```

{% endcode %}


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