API reference > @kontsedal/olas-core > createMutation

createMutation() function

A write owned by this controller's lifetime, from an inline spec (§6): the write, its policy and its lifecycle hooks in one object. id is optional here. Devtools, error contexts and plugins name the mutation by it.

Needs a query engine on the root.

Signature:

export declare function createMutation<V, R>(ctx: Ctx, spec: MutationSpec<V, R>): Mutation<V, R>;

Parameters

Parameter	Type	Description
ctx	Ctx
spec	MutationSpec<V, R>

Returns:

Mutation<V, R>