form-dependencies.json

{
    "name": "alfresco/forms/DynamicForm",
    "config": {
        ....
        "widgets": [{
            "name": "alfresco/forms/controls/Select",
            "config": {
                "name": "A",
                "label": "A",
                "fieldId": "PRESET_A",
                "value": "1",
                "optionsConfig": {
                    "fixed": [{
                        "label": "1",
                        "value": "1"
                    }, {
                        "label": "2",
                        "value": "2"
                    }]
                }
            }
        }, {
            "name": "alfresco/forms/controls/Select",
            "config": {
                "name": "B",
                "label": "B",
                "fieldId": "PRESET_B",
                "value": "1",
                "optionsConfig": {
                    "fixed": [{
                        "label": "1",
                        "value": "1"
                    }, {
                        "label": "2",
                        "value": "2"
                    }]
                }
            }
        }, {
        "name": "alfresco/forms/controls/TextBox",
        "config": {
          "name": "hidden",
          "fieldId": "PRESET",
          "value": "11",
          "autoSetConfig": [
            {
              "rulePassValue": "11",
              "rulesMethod": "ALL",
              "rules": [{
                  "targetId": "PRESET_A",
                  "is": ["1"]
                }, {
                  "targetId": "PRESET_B",
                  "is": ["1"]
                }]
            }, {
              "rulePassValue": "12",
              "rulesMethod": "ALL",
              "rules": [{
                  "targetId": "PRESET_A",
                  "is": ["1"]
                }, {
                  "targetId": "PRESET_B",
                  "is": ["2"]
                }]
            }, {
              "rulePassValue": "21",
              "rulesMethod": "ALL",
              "rules": [{
                  "targetId": "PRESET_A",
                  "is": ["2"]
                }, {
                  "targetId": "PRESET_B",
                  "is": ["1"]
                }]
            }, {
              "rulePassValue": "22",
              "rulesMethod": "ALL",
              "rules": [{
                  "targetId": "PRESET_A",
                  "is": ["2"]
                }, {
                  "targetId": "PRESET_B",
                  "is": ["2"]
                }]
            }
        ]
      }
    }, {
            "name": "alfresco/html/Label",
            "config": {
                "label": "Label",
                "visibilityConfig": {
                    "initialValue": true,
                    "rulesMethod": "ALL",
                    "rules": [{
                        "topic": "_valueChangeOf_PRESET",
                        "attribute": "value",
                        "is": [ "11" ],
                        "strict": true
                    }]
                }
            }
        }]
    }
}