mergeLayers

Merges feature layers from the same type together.

Inputs:

A base layer. This layer defines what will be the type of the output. The fields of this layer will be preserved. If the base layer has Z/M dimension, only layers with Z/M dimension can be merged to it
- Point, PointZ, PointM
- Polyline, PolylineZ, PolylineM
- Polygon, PolygonZ, PolygonM
Layers to merge. If the a field name has the same name as a field in the base layer, the attributes will be retained.
Output file name

Outputs:

A feature class containing all the features from the base layer and the merge layers. If the base layer has Z/M dimension, the output will have Z/M dimension as well. All the attributes are retained (if the fields are present in the base layer)

Notes:

The function works very much like the Merge Layers function in the standard GeoProcessing wizard, but preserves the Z/M dimension of the input layers (if the base layer has Z/M dimension.

ToolBox implementation
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Command line syntax - Merge Multi

ET_GPMergeMulti <base_dataset> <Input_dataset ;Input_dataset...> <out_feature class>

Parameters - Merge Multi

Expression	Explanation
<base_dataset>	A feature class or feature layer. The fields of this dataset will be preserved in the output feature class.
<Input_dataset ;Input_dataset...>	A list of the datasets to be be merged to the base dataset. Note: the feature classes should have the same type geometry and a spatial reference with the same geographic coordinate system as the base dataset.
<out_feature class>	A String - the full name of the output feature class (A feature class with the same full name should not exist)

Scripting syntax - Merge Multi

ET_GPMergeMulti (base_dataset, input_datasets, out_feature class)

Command line syntax - Merge

ET_GPMerge<base_dataset> <merge_dataset > <out_feature class>

Parameters - Merge

Expression	Explanation
<base_dataset>	A feature class or feature layer. The fields of this dataset will be preserved in the output feature class.
<merge_dataset >	A feature class or feature layer - the dataset to be be merged to the base dataset - should have the same type geometry and a spatial reference with the same geographic coordinate system as the base dataset.
<out_feature class>	A String - the full name of the output feature class (A feature class with the same full name should not exist)

Scripting syntax - Merge

ET_GPMerge(base_dataset, merge_dataset , out_feature class)

See the explanations above:
<> - required parameter
{} - optional parameter