Cleaning and validating against another field in a nested object array

[boltonag]

In the following example I wish to set a field (defaultDose) to null if another field (context) within the same nested array has a particular value ('P') and invalidate the schema if the 'defaultDose' is not entered and the context is not 'P' - see code snippet. dosage: [Object], 'dosage.$.context': { type: String, label: 'Context', }, 'dosage.$.defaultDose': { type: Number, label: 'Default dose', optional: true, autoValue() { console.log(this.field('dosage.$.context')); if (this.field('dosage.$.context').value === 'P' || this.value === '') return null; }, custom() { if (this.value === null && this.field('dosage.$.context').value !== 'P') { return 'missing'; } }, },

log returns: { operator: null, value: undefined, isSet: false } Is there any way to access another field in the same instance of the object array in these functions?

[github-actions[bot]]

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[boltonag]

I've found it! Should have used siblingField

[boltonag]

An longer example about working with arrays and more examples of this. functions and properties might help new users.