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I'm having difficult saving a one-to-many relationship in ember data. I have a relationship like this: App.ParameterSet = DS.Model name: DS.attr("string") regions: DS.hasMany("App.Region") App.Region = DS.Model name: DS.attr("string") If I were to do something like this: parameterSet = App.ParameterSet.find(5) @transaction = @get("store").transaction() @transaction.add(parameterSet) region1 = App.Region.find(10) region2 = App.Region.find(11) parameterSet.set("name", "foo") parameterSet.get("regions").pushObject(region) @transaction.commit() Then I would like to see a PUT request with payload like this: api/ParameterSets/5 {parameterSet: {name: "foo", regionIds:[10, 11]}} but instead I get this: {parameterSet: {name: "foo"}} I don't care about the relationship back from child to parent but if I add parameterSet: DS.belongsTo("App.ParameterSet") to the App.Region model then I get 2 PUT requests to the regions url for the two new relationships which is not really what I want. I guess this is a many-to-many relationship really which I'm not sure is yet supported but any ideas on how to achieve what I've described? Thanks

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