# TermExpand

Allows you to specify misspelled or Wildcard terms and return all matching terms in IDOL Server. You can also use `TermExpand` to return the term phrases that internal synonym links (returned by a query with the Synonym parameter) correspond to.

You can also restrict the term expansion for Wildcard or misspelled terms to terms in UnstemmedTrackFields by adding a field restriction.

## Example

    http://12.3.4.56:9000/action=TermExpand&Text=sound&Expansion=Fuzzy

This action requests fuzzy matches for the term `sound`.

    http://12.3.4.56:9000/action=TermExpand&Text=Mauri*:Country&Expansion=Wild

This action requests terms that start with `Mauri` in the `Country` field. In this example, the `Country` field must be configured in UnstemmedTrackFields.

## Required Parameters

The following action parameters are required.

Parameter | Description
--- | ---
Expansion | The expansion type to use.
Text | The text or synonym link to expand.

## Optional Parameters

This action accepts the following optional parameters.

Parameter | Description
--- | ---
LanguageType | The language type of the Text.
MaxTerms | The maximum number of terms or term phrases to return.
MinDocOccs | The minimum number of times that a term must occur to return as an expansion.
OutputEncoding | The encoding to convert the results to.
Stemming | Whether to stem the terms in the results list.
Synchronous | Whether to run the action synchronously or asynchronously.
TermDetails | Whether to return details of the number of documents that each term occurs in.
Type | The value to use to sort the result terms.

This action accepts the following standard ACI action parameters.

Parameter | Description
--- | ---
ActionID | A string to use to identify an ACI action.
EncryptResponse | Encrypt the output.
FileName | The file to write output to.
ForceTemplateRefresh | Forces the server to load the template from disk.
Output | Writes output to a file.
ResponseFormat | The format of the action output.
Template | The template to use for the action output.
TemplateParamCSVs | A list of variables to use for the specified template.

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