# Ant Runtime Preferences

The following preferences can be changed on the Ant > Runtime preference page.

## Classpath options

On the Classpath tab you can add additional classes defining tasks and types to the Ant classpath. New tasks and types can be added to either the Ant Home or the Global Entries section(s). The Contributed Entries section cannot be modified.

Option | Description | Default
--- | --- | ---
Add Jars... | Allows you to add a `jar` file from the current workspace to the Ant classpath for the Ant Home and / or Global sections. |
Add External Jars... | Allows you to add a `jar` file from the local filesystem to the Ant classpath for the Ant Home and / or Global sections. |
Add Folder... | Allows you to add a folder from the local filesystem to the Ant classpath for the Ant Home and / or Global sections. |
Add Variable... | Allows you to add a new classpath variable to the Ant Home and / or Global sections. |
Ant Home | Allows you to add a new folder to the Ant Home location. |
Remove | Allows you to remove the selected entry element(s) from the Ant classpath for the Ant Home and / or Global sections. |
Up | Allows you to move the selected entry element up one space in its listing. |
Down | Allows you to move the selected entry element down one space in its listing. |

## Tasks options

On the Tasks tab you can add tasks defined in one of the classes on the Ant classpath.

Option | Description | Default
--- | --- | ---
Add Task... | Allows you to add a new Ant task definition to the runtime. |
Edit Task... | Allows you to edit an existing Ant task. Note: you can only edit tasks that are not contributed (i.e. yellow decorated tasks are contributed and cannot be edited). |
Remove | Allows you to remove an existing Ant task from the runtime. Note: you can only remove tasks that are not contributed (i.e. yellow decorated tasks are contributed and cannot be removed). |

## Types options

On the Types tab you can add types defined in one of the classes on the classpath.

Option | Description | Default
--- | --- | ---
Add Type... | Allows you to add a new type defined in one of the classes on the Ant classpath. |
Edit Type... | Allows you to edit an existing type. |
Remove | Allows you to remove an existing type. |

## Properties options

On the Properties tab you can add properties and property files that will be passed into Ant.

Option | Description | Default
--- | --- | ---
Add Property... | Allows you to add a new Ant property to the runtime. |
Edit Property... | Allows you to edit an existing Ant property. Note: you can only edit properties that are not contributed (i.e. yellow decorated properties are contributed and cannot be edited). |
Remove | Allows you to remove an existing Ant property from the runtime. Note: you can only remove properties that are not contributed (i.e. yellow decorated properties are contributed and cannot be removed). |
Add Files... | Allows you to add a `*.properties` file from the workspace to be used in the runtime. |
Add External... | Allows you to add a `*.properties` file from the local filesystem to be used in the runtime. |
Remove | Allows you to remove an existing `*.properties` file from the runtime. |

### Related concepts

Ant support

### Related reference

General Ant preferences
Ant editor preferences
Ant formatter preferences
Ant templates preferences