Animate and update the rest length parameter during a vellum simulation. Uses vellum constraint properties inside the vellum solver.
{
    "ANMATED": {
        "inputs": [
            {
                "from": "animate_rest_scale",
                "from_index": 0,
                "to_index": 0
            }
        ],
        "position": [
            3.36,
            -2.74
        ],
        "type": "null"
    },
    "__cookbookMeta": {
        "context": "sop",
        "version": "20.5.584"
    },
    "animate_rest_scale": {
        "inputs": [
            {
                "from": "grid1",
                "from_index": 0,
                "to_index": 0
            }
        ],
        "parms": {
            "restscale": {
                "extrapolation_after": "extend",
                "extrapolation_before": "extend",
                "keyframes": [
                    {
                        "accel": 0.09722222222222222,
                        "expression": "bezier()",
                        "frame": 1,
                        "inaccel": 0.3333333333333333,
                        "slope": 0,
                        "value": 1
                    },
                    {
                        "accel": 0.3333333333333333,
                        "expression": "bezier()",
                        "frame": 8,
                        "inaccel": 0.09722222222222222,
                        "slope": 0,
                        "value": 3
                    }
                ]
            },
            "snippet": "f@restscale = chf(\"restscale\");"
        },
        "parmtemplates": [
            {
                "insert_after": "vex_threadjobsize",
                "parmtemplates": {
                    "folder_generatedparms_snippet": {
                        "label": "Generated Channel Parameters",
                        "parmtemplates": {
                            "restscale": {
                                "label": "Restscale",
                                "max_value": 1,
                                "script_callback_language": "hscript",
                                "type": "float"
                            }
                        },
                        "script_callback_language": "hscript",
                        "tags": {
                            "group_type": "simple",
                            "sidefx::look": "blank"
                        },
                        "type": "folder_simple"
                    }
                }
            }
        ],
        "position": [
            3.36,
            -1.66
        ],
        "type": "attribwrangle"
    },
    "grid1": {
        "parms": {
            "size": [
                1,
                1
            ]
        },
        "position": [
            0,
            0
        ],
        "type": "grid"
    },
    "vellumcloth1": {
        "inputs": [
            {
                "from": "grid1",
                "from_index": 0,
                "to_index": 0
            }
        ],
        "parms": {
            "bendstiffnessexp": "-4",
            "constrainttype": "cloth",
            "dobendgrp": true,
            "docompress": true,
            "domass": "calcvarying",
            "dostretchgrp": true,
            "dothickness": "calcuniform"
        },
        "position": [
            0.29,
            -3.45
        ],
        "type": "vellumconstraints"
    },
    "vellumsolver1": {
        "editables": {
            "dopnet1/forces": {
                "children": {
                    "FORCE": {
                        "inputs": [
                            {
                                "from": "vellumconstraintproperty1",
                                "from_index": 0,
                                "to_index": 0
                            }
                        ],
                        "position": [
                            0.25,
                            1.22
                        ],
                        "type": "subnetoutput"
                    },
                    "SOURCE": {
                        "flags": {
                            "display": true
                        },
                        "parms": {
                            "outputidx": 1
                        },
                        "position": [
                            3.61,
                            1.29
                        ],
                        "type": "subnetoutput"
                    },
                    "__stickynote1": {
                        "color": [
                            1,
                            0.97,
                            0.52
                        ],
                        "position": [
                            5.9,
                            2.56
                        ],
                        "size": [
                            4.8,
                            3.02
                        ],
                        "text": "Wire POP Forces into FORCE to apply per-point forces.\n\nWire Vellum Constraint Properties and Vellum Rest Blend to update constraints dynamically.\n\nWire Vellum Constraints to build new constraints.\n\nWire Vellum Source DOPs to SOURCE to add new vellum geometry.",
                        "text_color": [
                            0,
                            0,
                            0
                        ],
                        "type": "StickyNote"
                    },
                    "vellumconstraintproperty1": {
                        "parms": {
                            "bindgeoinput2": "../../../../ANMATED",
                            "bindinputmenu2": "sop",
                            "dorestscale": true,
                            "localexpression": "restscale = point(1, \"restscale\", @ptnum);",
                            "uselocal": true
                        },
                        "position": [
                            0.25,
                            2.22
                        ],
                        "type": "vellumconstraintproperty"
                    }
                },
                "type": "subnet"
            }
        },
        "flags": {
            "display": true,
            "render": true
        },
        "inputs": [
            {
                "from": "vellumcloth1",
                "from_index": 0,
                "to_index": 0
            },
            {
                "from": "vellumcloth1",
                "from_index": 1,
                "to_index": 1
            },
            {
                "from": "vellumcloth1",
                "from_index": 2,
                "to_index": 2
            }
        ],
        "parms": {
            "gravity": [
                0,
                0,
                0
            ]
        },
        "position": [
            0.29,
            -4.86
        ],
        "type": "vellumsolver"
    }
}
Houdini Cookbook