A completion item represents a text snippet that is proposed to complete text that is being typed.


  • CompletionItem



Optional additionalTextEdits

additionalTextEdits: ISingleEditOperation[]

An optional array of additional text edits that are applied when selecting this completion. Edits must not overlap with the main edit nor with themselves.

Optional command

command: Command

A command that should be run upon acceptance of this item.

Optional commitCharacters

commitCharacters: string[]

An optional set of characters that when pressed while this completion is active will accept it first and then type that character. Note that all commit characters should have length=1 and that superfluous characters will be ignored.

Optional detail

detail: string

A human-readable string with additional information about this item, like type or symbol information.

Optional documentation

documentation: string | IMarkdownString

A human-readable string that represents a doc-comment.

Optional filterText

filterText: string

A string that should be used when filtering a set of completion items. When falsy the label is used.


insertText: string

A string or snippet that should be inserted in a document when selecting this completion. is used.

Optional insertTextRules

Addition rules (as bitmask) that should be applied when inserting this completion.


The kind of this completion item. Based on the kind an icon is chosen by the editor.


label: string

The label of this completion item. By default this is also the text that is inserted when selecting this completion.

Optional preselect

preselect: boolean

Select this item when showing. Note that only one completion item can be selected and that the editor decides which item that is. The rule is that the first item of those that match best is selected.

Optional range

range: IRange

A range of text that should be replaced by this completion item.

Defaults to a range from the start of the current word to the current position.

Note: The range must be a single line and it must contain the position at which completion has been requested.

Optional sortText

sortText: string

A string that should be used when comparing this item with other items. When falsy the label is used.