# IssueLinkType

Represents the settings of a link type in YouTrack.

## Related Resources

Below you can find the list of resources that let you work with this entity.

* [Issue Link Types](resource-api-issueLinkTypes.html)

## Attributes

This table describes attributes of the `IssueLinkType` entity.

* To receive an attribute in the response from the server, specify it explicitly in the `fields` request parameter.

* To update an attribute, provide it in the body of a POST request.

|  Field  |  Type  |  Description  |
| --- | --- | --- |
|  id  |  String  |  The ID of the issue link type. `Read-only`.  |
|  name  |  String  |  The name of the issue link type.  |
|  localizedName  |  String  |  The localized name of the issue link type. It is present and can be updated only for predefined issue link types in localized YouTrack installations. `Can be null`.  |
|  sourceToTarget  |  String  |  The outward name of the issue link type.  |
|  localizedSourceToTarget  |  String  |  The localized outward name of the issue link type. It is present and can be updated only for predefined issue link types in localized YouTrack installations. `Can be null`.  |
|  targetToSource  |  String  |  The inward name of the issue link type. `Can be null`.  |
|  localizedTargetToSource  |  String  |  The localized inward name of the issue link type. It is present and can be updated only for the predefined issue link types in localized YouTrack installations. `Can be null`.  |
|  directed  |  Boolean  |  If `true`, the link is directed. Otherwise, `false`.  |
|  aggregation  |  Boolean  |  If `true`, the link represents aggregation relation. Otherwise, `false`.  |
|  readOnly  |  Boolean  |  If `true`, link settings cannot be updated. Otherwise, `false`. `Read-only`.  |